Penstemon cerrosensis

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Penstemon cerrosensis
Penstemon cerrosensis - Sula Vanderplank 01.jpg
Cedros Island, Baja California, Mexico
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Lamiales
Family: Plantaginaceae
Genus: Penstemon
Species:
P. cerrosensis
Binomial name
Penstemon cerrosensis
Synonyms
  • Penstemon brevilabris
  • Penstemon cedrosensis

Penstemon cerrosensis, also known as Cedros Island penstemon, is a species of flowering plant in the large Penstemon genus in the veronica family. It is endemic to Cedros Island in Baja California.

Contents

Description

Penstemon cerrosensis grows between 10 and 40 centimeters tall with stems that are quite woody near the base, but otherwise herbaceous. [1] Stems branch near their bases, are hairless, and glaucous; covered in natural waxes giving a grayish or bluish color. [2]

Most of it leaves are attached by petioles, though the uppermost ones are almost sessile . [3] They have smooth edges and are lanceolate to ovate-lanceolate in shape, like a spear head or somewhat egg shaped. Like the stems they are hairless and glaucous. The ends of the leaves recurve back towards the plant and the tip is mucronate, having the central leaf vein extended somewhat beyond the body of the leaf. [4]

The many flowers of the inflorescence are attached to the main stem by branched peduncles, flower stalks, with two or three flowers in a group. [5] The funnel shaped fused flower petals reach 12–15 millimeters in length and are bright scarlet in color. [3] They are mildly ventricose, inflated, on their undersides and curved upwards. The five lobes at the mouth of the flower are almost equal in size. The staminode is also hairless and slightly expanded towards its end. [5]

It can bloom in March, April, May, or June. [3]

Taxonomy

Penstemon cerrosensis is classified in the Penstemon genus in family Plantaginaceae. It was given its first scientific description and name by Albert Kellogg in 1863. [6] [7] The specimens that Kellogg used to describe the plants from the island were collected by John Veatch in 1858. [8] [9] At the time Cedros Island was incorrectly marked on English language maps as Cerros Island. Starting in 1888 a number of botanists including Edward Lee Greene and Louis Krautter corrected this name as Penstemon cedrosensis, but as Kellogg's spelling was intentional it is not subject to correction under botanical rules. [10] [2] Despite this notable botanists such as Ira Loren Wiggins have used the name as recently as 1980. [3] It has no subspecies or varieties, but it has two botanical synonyms. [6]

Synonyms
NameYearNotes
Penstemon brevilabrisA.Gray [11] 1882= het.
Penstemon cedrosensisKrautter [2] 1908= het., orth. var.
Notes: Both are heterotypic synonyms

Names

It is known in English as Cedros Island penstemon. [12] When it was described by Kellogg in the Hesperian magazine in 1860 he bestowed the evocative name hummingbird's dinner horn. [9] [8]

Range and habitat

The same plant showing rocky and sandy growing conditions Penstemon cerrosensis - Sula Vanderplank 02.jpg
The same plant showing rocky and sandy growing conditions

The natural range of Penstemon cerrosensis is restricted to Isla Cedros in the Pacific Ocean just off the west coast of the Baja California peninsula. [3]

Plants grow on rocky slopes and on cliff faces on the island. [3] It can be found from elevations of 25 to 1,150 meters (80 to 3,770 ft). [12] It is part of the canyon slope scrub community on the island, which is dominated by shrubs like redberry buckthorn ( Rhamnus crocea ssp. insula), Cedros Island sage ( Salvia cedrosensis ), and Baja desert-thorn ( Lycium brevipes ). [13]

Ecology

Its bright red flowers are pollinated by hummingbirds. [8]

Uses

This penstemon is not in cultivation. [14]

See also

Related Research Articles

<i>Penstemon</i> Genus of plants

Penstemon, the beardtongues, is a large genus of roughly 280 species of flowering plants native to North America from northern Canada to Central America. It is the largest genus of flowering plants endemic to North America. As well as being the scientific name, penstemon is also widely used as a common name for all Penstemon species alongside beardtongues.

Cedros Island is an island in the Pacific Ocean belonging to the state of Baja California, Mexico. The dry and rocky island had a population of 1,350 in 2005 and has an area of 348 square kilometres (134 sq mi) which includes the area of several small nearby islands. Cedros Island is mountainous, reaching a maximum elevation of 1,205 metres (3,953 ft). The economy is based on commercial fishing and salt production. Cedros has a distinctive flora and the traces of some of the earliest human beings in the New World. The ocean around the island is popular with sport fishermen.

<i>Ribes viburnifolium</i> Species of flowering plant

Ribes viburnifolium, is an uncommon North American species in the gooseberry family. It is known by the common names Catalina currant, Santa Catalina Island currant, island gooseberry and evergreen currant.

<i>Salvia cedrosensis</i> Species of flowering plant

Salvia cedrosensis, commonly known as the Cedros Sage or Cedros Island Sage is an evergreen fruticose perennial plant that is endemic to the western (Pacific) coast of Baja California in Mexico, native to the Vizcaino peninsula and Cedros Island.

<i>Penstemon californicus</i> Species of flowering plant

Penstemon californicus is a species of penstemon known by the common name California penstemon. It is native to Baja California and is also known from fewer than 20 occurrences in California, mainly in Orange and Riverside Counties. It grows in the forest and woodland habitat of the Peninsular Ranges and nearby slopes.

<i>Penstemon centranthifolius</i> Plant species in the plantain family

Penstemon centranthifolius is a species of penstemon known by the common name scarlet bugler. It is native to California and parts of Mexico, where it grows in many types of dry habitat from coast to desert, such as chaparral and oak woodland.

<i>Penstemon clevelandii</i> Plant species in the plantain family

Penstemon clevelandii is a species of penstemon known by the common name Cleveland penstemon. It is native to southern California and Baja California, where it grows in mountain and desert habitat such as scrub, woodland, and chaparral.

<i>Penstemon filiformis</i> Plant species in the plantain family

Penstemon filiformis is an uncommon species of Penstemon known by the common name threadleaf penstemon. It is endemic to the Klamath Mountains of northern California, where it grows in forest and woodland, often on serpentine soils.

<i>Penstemon floridus</i> Plant species in the veronica family

Penstemon floridus is a species of flowering plant in the plantain family known by the common names Panamint penstemon and rose penstemon.

<i>Penstemon fruticiformis</i> Plant species in the veronica family

Penstemon fruticiformis is a species of penstemon known by the common name Death Valley penstemon. It is native to the western United States, where it is found growing in rocky scrub, woodlands, deserts and mountains of eastern California and western Nevada. It is known from scattered occurrences around Death Valley, and only one of the two varieties occurs on the Nevada side of the border.

<i>Penstemon spectabilis</i> Species of flowering plant

Penstemon spectabilis is a species of penstemon known by the common name showy penstemon or showy beardtongue. It is a perennial herb native to southern California and Baja California, where it grows in the chaparral, scrub, and woodlands of the coastal mountain ranges.

<i>Penstemon grandiflorus</i> Species of flowering plant in the family Plantaginaceae

Penstemon grandiflorus, known by the common names shell-leaved penstemon, shell-leaf beardtongue, or large-flowered penstemon, is a tall and showy plant in the Penstemon genus from the plains of North America. Due to its large flowers it has found a place in gardens, particularly ones aimed at low water usage like xeriscape gardens.

<i>Penstemon fruticosus</i> Plant species in the veronica family

Penstemon fruticosus, the bush penstemon or shrubby penstemon, is a species of penstemon native to the Pacific Northwest of North America.

<i>Dudleya pachyphytum</i> Species of succulent plant from Mexico

Dudleya pachyphytum is an insular succulent plant known by the common name Cedros Island liveforever. It is a member of the genus Dudleya, in the family Crassulaceae. Characterized by thick, blunt leaves covered in a white, powdery wax and adorned by white flowers in bloom, it is regarded as one of the most attractive and charismatic members of its genus. It is endemic to the foggy northern end of Mexico's Cedros Island, occupying an ecological niche shared with the Cedros Island Pine.

<i>Dudleya cochimiana</i> Species of succulent plant from Mexico

Dudleya cochimiana, commonly known as the Cochimíliveforever, is a species of succulent plant in the family Crassulaceae endemic to Cedros Island, a large island off of the coast of Baja California, Mexico. It is a rosette-forming leaf succulent characterized by broad, green to white leaves, and flowers with white to pink petals. It can be found on rocky slopes and canyons along the island.

<i>Gambelia juncea</i> Species of plant

Gambelia juncea is a species of flowering shrub in the plantain family commonly known as the Baja California bush snapdragon or Baja bush snapdragon. Gambelia juncea is a highly variable woody perennial to 1 m (3.3 ft) characterized by long, arching, reed-like stems and showy, bright red, two-lipped tubular flowers. Native to the Baja California peninsula and coastal Sonora, this species is widespread in the region across numerous habitats and has several varieties. It was formerly placed in the primarily South American genus Galvezia, but taxonomic studies have supported the reclassification of the two North American species into Gambelia. This species, with a number of cultivars, is widely used as an ornamental shrub for xeriscaping, erosion control, native plant gardens, and wildlife gardens.

<i>Penstemon whippleanus</i> Species of flowering plant

Penstemon whippleanus, commonly known as dusky penstemon, dusky beardtongue, Whipple's penstemon, or Whipple's beardtongue, is a summer blooming perennial flower in the large Penstemon genus. It is a widespread plant within the hemiboreal forests of the Rocky Mountains in North America. It is noted for the large deep purple-red flowers and a preference for high mountain elevations.

<i>Penstemon albidus</i> Species of flowering plant

Penstemon albidus, commonly known as white penstemon, white-flower beardtongue, or Red-Line Beardtongue is a very widespread perennial flower of the mixed-grass and shortgrass prairies. Its natural distribution is from Manitoba and Alberta in Canada to Texas and New Mexico in the United States. The bright white flowers for which they are named are quite attractive to both bees and hummingbird moths.

<i>Penstemon secundiflorus</i> Species of flowering plant

Penstemon secundiflorus, commonly known as sidebells penstemon, or orchid beardtoungue is a species of Penstemon that grows in dry forests, high plains, and scrub lands from Wyoming to Mexico. It is a herbaceous perennial plant that typically grows to a height of 20 to 50 cm and has narrow, lance-shaped leaves that are grayish-green in color. The flowers of the sidebells penstemon are tubular in shape and are arranged in a one-sided spike, with the blooms all facing the same direction, and for this reason was named "secundiflorus", which means "one-sided flowers". The flowers are most often delicate shades of orchid or lavender. It is sometimes used in xeriscaping, rock gardens, and wildflower meadows, and is well-suited to dry, sunny locations with well-draining soil.

<i>Penstemon ambiguus</i> Species of flowering plant

Penstemon ambiguus, commonly known as the bush penstemon, pink plains penstemon, or gilia beardtongue is a species of Penstemon that grows in the shortgrass prairies and deserts of the western United States and northern Mexico. This bush-like penstemon grows in sandy, loose, and creosote soils and is particularly known for the spectacular flowering show it produces, sometime seasons turning whole hillsides bright pink–white.

References

  1. Wiggins 1980, pp. 505–506.
  2. 1 2 3 Krautter 1908, p. 129.
  3. 1 2 3 4 5 6 Wiggins 1980, p. 506.
  4. Krautter 1908, pp. 129–130.
  5. 1 2 Krautter 1908, p. 130.
  6. 1 2 POWO 2025.
  7. WFO 2025.
  8. 1 2 3 Kellogg 1860, p. 490.
  9. 1 2 Ewan 1953, p. 46.
  10. Keck 1937, pp. 822–823.
  11. Gray 1882, p. 229.
  12. 1 2 Wolfe Lab 2023.
  13. Oberbauer 1993, pp. 118–119, 123.
  14. Lindgren & Wilde 2003, p. 29.

Sources

Books
  • Lindgren, Dale T.; Wilde, Ellen; American Penstemon Society (2003). Growing Penstemons : Species, Cultivars, and Hybrids . Haverford, Pennsylvania: Infinity Publishing. ISBN   978-0-7414-1529-5. OCLC   54110971 . Retrieved 9 January 2025.
  • Oberbauer, Thomas A. (1993). "Floristic analysis of vegetation communities on Isla de Cedros, Baja California, Mexico". In Hochberg, F.G. (ed.). Third California Islands Symposium : Recent Advances in Research on the California Islands. Santa Barbara, Calif. : Santa Barbara Museum of Natural History. ISBN   978-0-936494-05-0.
  • Wiggins, Ira L. (1980). Flora of Baja California. Stanford, California: Stanford University Press. pp. 505–506. ISBN   978-0-8047-1016-9. OCLC   6284257 . Retrieved 6 January 2025.
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