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Perityle villosa

(Hanaupah Laphamia)

Overview

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Critically Endangered

Threat status

Interesting Facts

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Common Names

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Common Names in English:

Hanaupah Laphamia, Hanaupah Rock Daisy, Hanaupah Rockdaisy

Description

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Family Compositae

The largest family of flowering plants , the Compositae (Asteraceae), comprising about 1,100 genera and more than 20,000 species and characterized by many small flowers arranged in a head looking like a single flower and subtended by an involucre of bracts. A head may consist of both ray flowers and disk flowers, as in the sunflower, of disk flowers only, as in the burdock, or of ray flowers only, as in the dandelion.

Genus Perityle

Annuals , perennials , subshrubs , or shrubs , 2-45(-75) cm (glabrous or hairy , often gland-dotted). Stems erect to pendent. Leaves mostly cauline; often proximally opposite, distally alternate; petiolate or sessile; blades usually 3-lobed, ultimate margins entire, toothed , or lobed . Heads radiate or discoid , borne singly or in corymbiform arrays. Involucres campanulate , cylindric , funnelform , or hemispheric , 3-15 mm diam. Phyllaries persistent , 5-28 in (1-) 2(-3) series (distinct , linear to ovate , equal or subequal , flat or keeled , glabrous or hairy, apices obtuse , acute, or attenuate). Receptacles flat or convex , pitted , epaleate. Ray florets 0, or (1-) 3-18, pistillate , fertile ; corollas cream, yellow, or white (showy or rudimentary ). Disc florets 5-200, bisexual , fertile; corollas cream, yellow, or white, tubes shorter than or nearly equal to cylindric, funnelform, or campanulate throats, lobes 4, ± deltate (acute; stamens 4; style branches flattened, linear, usually tapering to fine, minutely hairy tips). Cypselae (black) flattened to subcylindric , linear to oblanceolate or obovate (margins ± calloused and glabrous, hairy, or ciliate , faces usually hairy, sometimes glabrous) ; pappi 0, or persistent or falling, of 1-35 bristles plus callous crowns or hyaline scales . x = 17, 19.

Species 66: United States, Mexico, South America.

Most species of Perityle are rock-dwelling subshrubs exhibiting geographic speciation ; most are found in the eroded mountain and basin region of the southwestern United States.[1]

Physical Description

Species Perityle villosa

Perennials or subshrubs , 13-20 cm; villous . Leaves (all alternate) : petioles 3-6 mm; blades ovate and entire, or ovate-cuneate and 1-3-lobed, 3-16 × 4-10 mm, ultimate margins entire. Heads borne singly or (2-3) in corymbiform arrays, 7.5-9.5 × 5-7 mm. Peduncles 10-20(-25) mm. Involucres campanulate . Phyllaries 13-23, linear-lanceolate to oblong-lanceolate, 4-7 × 1-1.5 mm. Ray florets 0. Disc florets 30-75; corollas yellow, tubes 1-1.7 mm, throats 1.8-3 mm, tubular to subfunnelform, lobes 0.7-0.8 mm. Cypselae linear to oblanceolate , 3-3.5 mm, margins thin-calloused, short-hairy; pappi 0, or of 1-2, equal or unequal bristles 1-2 mm plus callous crowns. 2n = ca. 3x = 51. [source]

Two distinct morphotypes characterized by either entire or lobed leaves appear to exist in Hanaupah Canyon in the Panamint Mountains. Some chromosomal evidence suggests that the variability of P. villosa within that population may result from the co-occurrence there of diploids, triploids, and tetraploids . [source]

Flowers: Bloom Period: February, March, April, May, June, July, August, September, October.

Habitat

Rock crevices; of conservation concern; 1700-2600 m [2].

Taxonomy

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Synonyms

Laphamia palmeri Gray • Laphamia palmeri var. tenella M. E. Jones • Laphamia villosa S. F. Blake • Proc. Biol. Soc. Wash. 45: 142. 1932

Notes

Name Status: Accepted Name .

Comment: Data Providers: IPNI, Tropicos. GCC LSID: urn :lsid:compositae.org:names:F7ACA3BD-64F6-45BD-A327-555B342EB55E

Last scrutiny: 15-Aug-09

Similar Species

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Members of the genus Perityle

ZipcodeZoo has pages for 55 species, subspecies, varieties, forms, and cultivars in this genus:

P. aglossa (Bluff Rock Daisy) · P. ajoensis (Ajo Rock-Daisy) · P. ambrosiifolia (Lace-Leaf Rock Daisy) · P. angustifolia (Narrow-Leaved Rockdaisy) · P. bisetosa (Two-Spike Rock Daisy) · P. bisetosa var. appressa (Twobristle Rockdaisy) · P. bisetosa var. bisetosa (Twobristle Rockdaisy) · P. bisetosa var. scalaris (Twobristle Rockdaisy) · P. californica (California Rock Daisy) · P. cernua (Nodding Rock Daisy) · P. ciliata (Ciliate Rockdaisy) · P. cinerea (Gray Rock Daisy) · P. cochisensis (Cochise Rock Daisy) · P. congesta (Compact Rock Daisy) · P. coronopifolia (Arizona Rockdaisy) · P. dissecta (Dissected Rockdaisy) · P. emoryi (Emory Rockdaisy) · P. fosteri (Foster's Rock-Daisy) · P. gilensis (Fish Creek Rockdaisy) · P. gilensis var. gilensis (Fish Creek Rockdaisy) · P. gilensis var. salensis (Salt River Rockdaisy) · P. gracilis (Grass Leaf Rock Daisy) · P. huecoensis (Hueco Mountains Rockdaisy) · P. incana (Perityle) · P. intricata (Delicate Rock-Daisy) · P. inyoensis (Inyo Rock Daisy) · P. lemmonii (Lemmon's Rock-Daisy) · P. lindheimeri (Bluffdaisy) · P. lindheimeri var. halimifolia (Lindheimers Rockdaisy) · P. lindheimeri var. lindheimeri (Lindheimer's Rockdaisy) · P. megalocephala (Bighead Rockdaisy) · P. megalocephala var. megalocephala (Limestone Rockdaisy) · P. megalocephala var. oligophylla (Small-Leaved Rockdaisy) · P. microglossa (Mazanilla Bronca) · P. microglossa var. microglossa (Shortray Rockdaisy) · P. microglossa var. saxosa (Shortray Rockdaisy) · P. parryi (Heartleaf Rockdaisy) · P. quinqueflora (Five Flower Rock Daisy) · P. rupestris (Leafy Rockdaisy) · P. rupestris var. albiflora (Leafy Rockdaisy) · P. rupestris var. rupestris (Leafy Rockdaisy) · P. saxicola (Fish Creek Rock Daisy) · P. specuicola (Alcove Rockdaisy) · P. stansburii (Standbury's Rockdaisy) · P. stansburyi (Stansbur's Rockdaisy) · P. staurophylla (New Mexico Rockdaisy) · P. staurophylla (Barneby) Shinners var. homoflora T.K. Todsen (New Mexico Rockdaisy) · P. staurophylla var. homoflora (New Mexico Rockdaisy) · P. staurophylla var. staurophylla (New Mexico Rockdaisy) · P. tenella (Springdale Rockdaisy) · P. turneri (Turner's Rockdaisy) · P. vaseyi (Margined Rockdaisy) · P. villosa (Hanaupah Laphamia) · P. vitreomontana (Glass Mountain Rockdaisy) · P. warnockii (River Rock-Daisy)

More Info

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Further Reading

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Notes

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Contributors

Data Sources

Accessed through GBIF Data Portal February 27, 2008:

Identifiers

Footnotes

  1. Sharon C. Yarborough, A. Michael Powell "Perityle". in Flora of North America Vol. 21 Page 317, 333, 334. Oxford University Press. Online at EFloras.org. [back]
  2. "Perityle villosa". in Flora of North America Vol. 21 Page 324, 326, 328. Oxford University Press. Online at EFloras.org. [back]
Last Revised: 7/15/2012