Hymenoxys grandiflora

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Hymenoxys grandiflora
Hymenoxys grandiflora on South Baldy Mountain, Gunnison County, Colorado, USA 02.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: Asterales
Family: Asteraceae
Genus: Hymenoxys
Species:
H. grandiflora
Binomial name
Hymenoxys grandiflora
Synonyms [1]
Synonymy
  • Actinea grandiflora(Torr. & A.Gray ex Torr. & A.Gray) Kuntze
  • Actinella grandifloraTorr. & A.Gray 1845
  • Cephalophora grandiflora(Torr. & A.Gray) Walp.
  • Ptilepida grandiflora(Torr. & A.Gray) Rose
  • Rydbergia grandiflora(Torr. & A.Gray ex Torr. & A.Gray) Greene
  • Tetraneuris grandiflora(Torr. & A.Gray ex Torr. & A.Gray) K.F.Parker

Hymenoxys grandiflora is a North American species of flowering plant in the daisy family known by the common names graylocks four-nerve daisy, [2] graylocks rubberweed, or old man of the mountain. [3] It is native to high elevations in the Rocky Mountains of the western United States.

Contents

Description

H. grandiflora is a perennial herb up to 30 centimeters (1 foot) tall. The leaves are 7.5–10 cm (3–4 in) long. [4] The plant generally produces one flower head per stem, up to 10 per plant, present between June and August. [4] Each head has 15–44 ray flowers and 150–400 disc flowers. [5] The seeds are five-sided with narrow scales at the tip. [4]

The species has the largest flowers of any in its genus, hence the specific epithet grandiflora (large-flowered). [4]

Cannibal Plateau, Powderhorn Wilderness, Hinsdale County, Colorado Cannibal Plateau, Powderhorn Wilderness, Hinsdale County, Colorado, USA 03.jpg
Cannibal Plateau, Powderhorn Wilderness, Hinsdale County, Colorado

Distribution and habitat

The plant is native to high elevations in the Rocky Mountains of the western United States, in the states of Montana, Idaho, Wyoming, Utah, Colorado, and New Mexico. [6] [7] It can be found on rocky slopes, meadows, and tundra environments. [4]

Related Research Articles

<i>Hymenoxys</i> Genus of flowering plants

Hymenoxys is a genus of plants in the sunflower family, native to North and South America. It was named by Alexandre Henri Gabriel de Cassini in 1828.

Hymenoxys cooperi is a species of flowering plant in the daisy family known by the common name Cooper's rubberweed. It is native to the southwestern United States and Great Basin, where it grows in rocky soils in arid regions from southern California to New Mexico, north as far as Idaho and Oregon.

<i>Hymenoxys odorata</i> Species of flowering plant

Hymenoxys odorata is a species of flowering plant in the daisy family known by the common names bitter rubberweed and western bitterweed. It is native to the southwestern and south-central United States from southern California to Texas north as far as Kansas and Colorado, as well as northern Mexico. It grows in dry regions.

<i>Hymenoxys hoopesii</i> Species of flowering plant

Hymenoxys hoopesii is a species of flowering plant in the daisy family known by the common names owl's claws, orange sneezeweed, and yerba del lobo. It is native to the western United States, where it grows in habitats of moderate elevation, such as mountain meadows in the Rocky Mountains, Sierra Nevada, southern Cascades, and other ranges. It has been found from Arizona, New Mexico, and central California north as far as Montana and Oregon.

<i>Tetraneuris</i> Genus of flowering plants

Tetraneuris, commonly known as four-nerve daisy or bitterweed, is a genus of North American plants in the sneezeweed tribe within the daisy family.

<i>Townsendia rothrockii</i> Species of flowering plant

Townsendia rothrockii is a species of flowering plant in the family Asteraceae known by the common name Rothrock's Townsend daisy. It is endemic to Colorado in the United States, where there are 35 occurrences across thirteen counties. Reports of the plant from New Mexico are false.

<i>Tetraneuris acaulis</i> Species of flowering plant

Tetraneuris acaulis is a North American species of flowering plants in the sunflower family. Common names include angelita daisy, stemless four-nerve daisy, stemless hymenoxys, butte marigold, and stemless rubberweed.

Tetraneuris scaposa is a North American species of flowering plant in the sunflower family. It is native to the southwestern and south-central United States and northern Mexico.

<i>Hymenoxys richardsonii</i> Species of plant

Hymenoxys richardsonii, the pingue hymenoxys or pingue rubberweed, is a North American species of plants in the sunflower family. It is widespread across the western United States and western Canada from Arizona, New Mexico, and western Texas north as far as Alberta and Saskatchewan.

<i>Erigeron leiomerus</i> Species of flowering plant

Erigeron leiomerus is a rare species of flowering plant in the family Asteraceae known by the common names rockslide yellow fleabane or rockslide fleabane. It is native to the western United States, primarily in the Rocky Mountains and the Great Basin. It has been found in Montana, Idaho, Nevada, Utah, Wyoming, Colorado, and New Mexico.

<i>Erigeron subtrinervis</i> Species of flowering plant

Erigeron subtrinervis, called the three-nerved daisy, the three-nerve fleabane, or the hairy showy daisy, is a North American species of flowering plants in the family Asteraceae. It grows in various mountains of western Canada and the western United States: Rocky Mountains, northern Cascades, Black Hills, etc., from British Columbia and Washington state east to North Dakota and south as far as New Mexico.

Hymenoxys ambigens is a species of flowering plant in the daisy family known by the common name Pinaleño Mountains rubberweed. It is native to the states of Arizona and New Mexico in the southwestern United States.

Hymenoxys bigelovii is a species of flowering plant in the daisy family known by the common name Bigelow's rubberweed . It is native to the states of Arizona, Utah, and New Mexico in the southwestern United States.

Hymenoxys brachyactis is a species of flowering plant in the daisy family known by the common names east view rubberweed and tall bitterweed. It is native to the state of New Mexico in the southwestern United States.

Hymenoxys brandegeei is a species of flowering plant in the daisy family known by the common names Brandegee's four-nerve daisy, Brandegee's rubberweed or western bitterweed. It is native to the states of Arizona, Colorado, and New Mexico in the southwestern United States.

Hymenoxys helenioides is a North American species of flowering plant in the daisy family known by the common name intermountain rubberweed. It is native to Arizona, Utah, Colorado, and New Mexico in the western United States.

<i>Hymenoxys quinquesquamata</i> Species of flowering plant

Hymenoxys quinquesquamata is a North American species of flowering plant in the family Asteraceae known by the common names rincon rubberweed or rincon bitterweed. It has been found only in the states of Arizona and New Mexico in the southwestern United States. Many of the populations lie in the Huachuca Mountains of Cochise County in Arizona.

Hymenoxys rusbyi is a North American species of flowering plant in the daisy family known by the common names Rusby's rubberweed or Rusby's bitterweed. It has been found only in the states of Arizona and New Mexico in the southwestern United States.

Hymenoxys subintegra is a North American species of flowering plant in the daisy family known by the common name Arizona rubberweed. It has been found only in the states of Arizona and Utah in the southwestern United States. Many of the populations lie inside Grand Canyon National Park, others in Kaibab National Forest.

Hymenoxys vaseyi is a North American species of flowering plant in the daisy family known by the common name Vasey's rubberweed. It is native to the southwestern United States, primarily in New Mexico with a few populations in extreme western Texas.

References

  1. The Plant List, Hymenoxys grandiflora (Torr. & A.Gray ex Torr. & A.Gray) K.F.Parker
  2. USDA, NRCS (n.d.). "Tetraneuris grandiflora". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 9 December 2015.
  3. "Old man of the mountain - Hymenoxys grandiflora". Colorado Plant Database. Colorado State University Extension, Jefferson County. Retrieved 25 March 2020.
  4. 1 2 3 4 5 Spellenberg, Richard (2001) [1979]. National Audubon Society Field Guide to North American Wildflowers: Western Region (rev ed.). Knopf. pp. 381–382. ISBN   978-0-375-40233-3.
  5. Flora of North America, Hymenoxys grandiflora (Torrey & A. Gray) K. F. Parker, 1950. Graylocks rubberweed, four-nerved daisy
  6. Biota of North America Program 2014 distribution map
  7. SEINet, Southwestern Biodiversity, Arizona chapter description, photos, distribution map