Penstemon spectabilis

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Penstemon spectabilis
Penstemonspectabilis.jpg
Status TNC G4.svg
Apparently Secure  (NatureServe)
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. spectabilis
Binomial name
Penstemon spectabilis

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.

Contents

Description

Penstemon spectabilis is a perennial herb that grows in an upright or mounding fashion, attaining a maximum height of 2-4 feet and a maximum width of 3-4 feet during its 5-10 year lifespan. [1]

The thin leaves are lance-shaped to oval, toothed on the edges, [2] and up to 10 centimeters in length. The oppositely arranged pairs may fuse about the stem at the bases.[ citation needed ]

The inflorescence bears wide-mouthed, tubular violet or purple-blue flowers [1] which may be over 3 centimeters long.[ citation needed ]. The flowers have reddish-purpose nectar guides. The throat is lighter in color, lavender to nearly white. [2]

Its fruit is a capsule, and the plant is known to self-seed. [2]

Taxonomy

Varieties

The nominate variety. The inflorescence is glabrous (lacking hair). This variety is distributed across the San Gabriel and San Bernardino Mountains, and the Peninsular Ranges from California to Mexico, [3] reaching its southern distribution at northwest the foothills of the Sierra de San Pedro Martir in Baja California. [4]

A variety endemic to Baja California, commonly known as the Peninsular showy beardtongue, found from the vicinity of San Telmo and San Quintin south to the Bahia de Los Angeles. [4]

This variety has a glandular inflorescence. Native to the Transverse Ranges of California. [5]

Penstemon spectabilis Penstemon spectabilis.jpg
Penstemon spectabilis

Distribution and Habitat

P. spectabilis is native to the mountains of southern California and Baja California. It grows below 6000 feet in elevation on rocky slopes in dry washes and disturbed areas as part of chaparral or coastal sage scrub communities. It does best in full sun on well-drained, often rocky soils. [1] [2]

Ecology

P. spectabilis blooms from April to June [3] or July [2] and is pollinated by wasps such as Pseudomasaris vespoides , as well as by hummingbirds. [6] Occasional rain in the summer causes the plant to flower more abundantly, but may also shorten the plant's lifespan. [1]

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

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<i>Clinopodium chandleri</i> Species of flowering plant

Clinopodium chandleri is an uncommon species of flowering plant in the mint family known by the common name San Miguel savory. It is native to northern Baja California and several areas of southern California, where it can be found in mountain chaparral. A fragrant plant with white flowers, it is one of southern California's rarest shrubs.

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

Penstemon davidsonii is a species of penstemon known by the common name Davidson's penstemon, honoring Dr. George Davidson. It is native to western North America.

<i>Stachys stebbinsii</i> Species of plant

Stachys stebbinsii is a species of perennial herb in the mint family commonly known as Stebbins' hedgenettle. This plant is characterized by a musky aroma, flowers with large lower lips, and glandular hairs that densely cover the stems. S. stebbinsii is native to California and northwestern Baja California. It is usually found growing in moist places in a wide variety of habitats including disturbed areas, chaparral, coastal sage scrub and mountains.

References

  1. 1 2 3 4 "Showy Penstemon, Penstemon spectabilis". calscape.org.
  2. 1 2 3 4 5 "Lady Bird Johnson Wildflower Center - The University of Texas at Austin". www.wildflower.org. Retrieved 2021-12-30.
  3. 1 2 Wetherwax, Margriet; Holmgren, Noel H. (2012). "Penstemon spectabilis var. spectabilis". Jepson eFlora. Jepson Flora Project. Retrieved 4 January 2022.
  4. 1 2 Rebman, J. P.; Gibson, J.; Rich, K. (2016). "Annotated checklist of the vascular plants of Baja California, Mexico" (PDF). San Diego Society of Natural History. 45: 222.
  5. Wetherwax, Margriet; Holmgren, Noel H. (2012). "Penstemon spectabilis var. subviscosus". Jepson eFlora. Jepson Flora Project. Retrieved 4 January 2022.
  6. Chari, Jeannie; Wilson, Paul (2001). "Factors limiting hybridization between Penstemon spectabilis and Penstemon centranthifolius". Canadian Journal of Botany. 79 (12): 1439–1448. doi:10.1139/b01-125.