Difference between revisions of "Perityle bisetosa"
SouthW. Naturalist 4: 204. 1959.
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|common_names=Two-bristle rock daisy | |common_names=Two-bristle rock daisy | ||
| − | |basionyms={{Treatment/ID/ | + | |special_status={{Treatment/ID/Special_status |
| + | |code=C | ||
| + | |label=Conservation concern | ||
| + | }} | ||
| + | |basionyms={{Treatment/ID/Basionym | ||
|name=Laphamia bisetosa | |name=Laphamia bisetosa | ||
|authority=Torrey ex A. Gray | |authority=Torrey ex A. Gray | ||
| + | |rank=species | ||
| + | |publication_title=Smithsonian Contr. Knowl. | ||
| + | |publication_place=5(6): 106. 1853 | ||
}} | }} | ||
|synonyms= | |synonyms= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Perityle bisetosa | name=Perityle bisetosa | ||
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|authority=(Torrey ex A. Gray) Shinners | |authority=(Torrey ex A. Gray) Shinners | ||
|rank=species | |rank=species | ||
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|publication title=SouthW. Naturalist | |publication title=SouthW. Naturalist | ||
|publication year=1959 | |publication year=1959 | ||
| − | |special status= | + | |special status=Conservation concern |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V21_805.xml |
|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Peritylinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Peritylinae | ||
Latest revision as of 20:14, 5 November 2020
Perennials or subshrubs, 2–12 cm; glabrate, glabrous, minutely hairy, or scabrous-hispidulous. Leaves: petioles (0–)1–7 mm; blades lanceolate, lance-ovate, ovate, or suborbiculate, 4–8 × 2–8 mm, margins entire, serrate, or shallow-lobed. Heads usually borne singly (often obscured by the dense leaves), 7–8(–10) × 3.5–7 mm. Peduncles 0–3 mm. Involucres narrowly campanulate. Phyllaries 8–10(–12), linear to broadly or narrowly lanceolate, 4.5–6 × 1–2 mm. Ray florets 0. Disc florets 11–17; corollas white, tubes 0.8–1 mm, throats tubular to subfunnelform, 1.5–3 mm, lobes 0.8–1 mm. Cypselae oblong to oblanceolate, 1.8–2.2(–2.5) mm, margins notably calloused, glabrous; pappi of 2–3(–5) ± flattened bristles 1.5–2.3 mm.
Distribution
Tex., Mexico.
Discussion
Varieties 4 (3 in the flora).
Selected References
None.
Lower Taxa
Key
| 1 | Petioles 0–2 mm (glabrate); leaf margins entire or subserrate | Perityle bisetosa var. bisetosa |
| 1 | Petioles 2–7 mm (glabrous, minutely hairy, or scabrous-hispidulous); leaf margins usually serrate or lobed | > 2 |
| 2 | Leaves glabrous or minutely hairy | Perityle bisetosa var. appressa |
| 2 | Leaves scabrous-hispidulous | Perityle bisetosa var. scalaris |