Aphanostephus pilosus
| Aphanostephus pilosus | |
|---|---|
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Aphanostephus |
| Species: | A. pilosus
|
| Binomial name | |
| Aphanostephus pilosus | |
| Synonyms[2] | |
|
Aphanostephus pulchellus Stevens (not validly published) | |
Aphanostephus pilosus, the hairy lazydaisy, is an annual herbaceous flowering plant in the family Asteraceae. It is found in the United States (New Mexico, Oklahoma, northern Texas).
Description
[edit]Aphanostephus pilosus is an annual herb that grows up to 30 cm (12 in) tall. The stem is sparsely hairy, with hairs being 0.6–2.4 mm long. The phyllary apices gradually diminish in width to a tip. Flowers contain disc florets and 13–21 ray florets. The seeds are cypselae, with apically straight hairs. The seeds contain pappi that are coroniform (broadly tubular) and ciliate.[3][4][5]
Distribution and habitat
[edit]Aphanostephus pilosus is found in the United States in Oklahoma and northern Texas.[6] It has also been recorded in Chaves County, New Mexico.[7]
Habitat
[edit]It grows in sand, sandy clay, open scrub oak woodlands, disturbed sites, fields, and mesquite savannas at elevations of 30–200 m (98–656 ft) above sea level.[3]
Conservation
[edit]As of December 2024[update], the conservation group NatureServe listed Aphanostephus pilosus as Apparently Secure (G4) worldwide. This status was last reviewed on 16 May 1989. The group has not assessed this species at the state level.[1]
Taxonomy
[edit]Aphanostephus pilosus was first named and described by Samuel Botsford Buckley in 1862 in the Proceedings of the Academy of Natural Sciences of Philadelphia journal.[2]
Etymology
[edit]In English, this species is commonly known as the hairy lazydaisy.[3]
References
[edit]- ^ a b NatureServe (6 December 2024). "Aphanostephus pilosus | NatureServe Explorer". NatureServe Explorer. Arlington, Virginia. Retrieved 30 December 2024.
- ^ a b "Aphanostephus pilosus Buckley | Plants of the World Online | Kew Science". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 30 December 2024.
- ^ a b c "Aphanostephus pilosus in Flora of North America @ efloras.org". www.efloras.org. Retrieved 2024-12-30.
- ^ Turner, B. L. 1984. Taxonomy of the genus Aphanostephus (Asteraceae–Astereae). Phytologia 56: 81–101.
- ^ Buckley, Samuel Botsford 1862. Proceedings of the Academy of Natural Sciences of Philadelphia 13(12): 457
- ^ Biota of North America Program 2014 county distribution map
- ^ Great Plains Flora Association (1977). Atlas of the Flora of the Great Plains. Ames : Iowa State University Press. p. 334. ISBN 978-0-8138-0135-3 – via Internet Archive.
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