Difference between revisions of "Hymenoxys quinquesquamata"
in N. L. Britton et al., N. Amer. Fl. 34: 114. 1915.
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|common_names=Rincon rubberweed or bitterweed | |common_names=Rincon rubberweed or bitterweed | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }} | ||
|basionyms= | |basionyms= | ||
|synonyms= | |synonyms= | ||
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|publication title=in N. L. Britton et al., N. Amer. Fl. | |publication title=in N. L. Britton et al., N. Amer. Fl. | ||
|publication year=1915 | |publication year=1915 | ||
| − | |special status= | + | |special status=Endemic |
| − | |source xml=https:// | + | |source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V19-20-21/V21_1106.xml |
|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Gaillardiinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Gaillardiinae | ||
Revision as of 20:54, 27 May 2020
Perennials, 30–100 cm (polycarpic; sometimes with sparingly branched, woody caudices). Stems 1(–3), green throughout or purple-red-tinted proximally, branched distally, ± hairy. Leaves: blades simple or lobed (lobes 3–17), glabrous or sparsely hairy, gland-dotted; mid leaves lobed (lobes 5–11, terminal lobes 0.8–2 mm wide). Heads 5–50+ per plant, in paniculiform to corymbiform arrays. Peduncles 2.5–7 cm, ± hairy. Involucres campanulate, 8–10 × 9–12 mm. Phyllaries in 2 series, unequal; outer 5(–8), basally connate 1/3–1/2 their lengths, obovate to ovate, 6–7 mm, apices acuminate; inner 6–8, obovate, 6.5–8 mm, apices mucronate. Ray florets 5–8; corollas yellow, 14–18 × 7–12 mm. Disc florets 30–100+; corollas 3.5–4.3 mm. Cypselae obpyramidal, 2.5–3.9 mm; pappi of 5–6 obovate, sometimes aristate, scales 1.2–2.5 mm. 2n = 30.
Phenology: Flowering (Jun–)Jul–Sep(–Oct).
Habitat: Open areas, edges of pine-oak forests
Elevation: 1500–2500 m
Discussion
Hymenoxys quinquesquamata is known from southern Arizona, mostly Huachuca Mountains.
Selected References
None.