Difference between revisions of "Perityle lindheimeri"
SouthW. Naturalist 4: 204. 1959.
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|publication year=1959 | |publication year=1959 | ||
|special status=Endemic | |special status=Endemic | ||
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|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, (10–)18–45(–60) cm; glabrate or sparsely hairy. Leaves: petioles 4–15 mm; blades broadly ovate to ovate-lanceolate, 10–40 × 10–35 mm, margins entire or serrate-lobed. Heads in corymbiform arrays, 6–7 × 4–6 mm. Peduncles 3–20 mm. Involucres narrowly campanulate. Phyllaries 12–14, narrowly lanceolate to oblanceolate, 3–4 × 2 mm. Ray florets 3–5; corollas yellow, laminae oblong to suborbiculate, 2.5–3 × 1.5–2 mm. Disc florets 16–22; corollas yellow, tubes 0.8–1.5 mm, throats narrowly campanulate, 1–1.5 mm, lobes 0.5 mm. Cypselae linear-oblong to narrowly oblanceolate, 2–2.8 mm, margins thin-calloused, minutely hairy; pappi 0, or of 1(–2) bristles 0.5–1.8 mm.
Discussion
Varieties 2 (2 in the flora).
A specimen resembling Perityle lindheimeri was collected in 1936 near Ruidosa in Lincoln County, New Mexico. The identity and exact location of that seemingly out-of-place collection remain to be determined.
Selected References
None.
Key
| 1 | Pappi usually 0, sometimes of single bristles 0.5–1(–1.5) mm, usually plus obscure, callous crowns; w Edwards Plateau | Perityle lindheimeri var. halimifolia |
| 1 | Pappi usually of 1(–2) bristles 0.5–1.8 mm plus vestigial, laciniate scales or obscure callous crowns, rarely 0; c, e Edwards Plateau | Perityle lindheimeri var. lindheimeri |