Perityle gilensis |
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Fish Creek rockdaisy, Gila rockdaisy |
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Habit | Perennials or subshrubs, 22–70 cm (often in dense clumps, stems upright to pendent or spreading); glabrous or puberulent, often glandular. | ||||
Leaves | petioles 9–45(–80) mm; blades usually pinnately 3-foliolate (proximal) or 3-lobed, 14–30 × 4–20 mm, lobes much broadened distally, often cruciform, sometimes 3-lobed to divided, ultimate margins entire or lobed. |
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Peduncles | 1–4 mm. |
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Involucres | broadly campanulate to hemispheric. |
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Ray florets | 8–18; corollas yellow, laminae oblong to subovate, 4–10 × 2–4 mm. |
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Disc florets | 70–200; corollas yellow, tubes 1.5–2 mm, throats subtubular to narrowly funnelform, 2.5–3.5 mm, lobes 0.7–0.8 mm. |
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Phyllaries | 20–30, linear-lanceolate to oblanceolate, 4–7 × 0.8–1.5 mm. |
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Heads | borne singly or (2–4) in corymbiform arrays, 8–11 × 9–12 mm. |
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Cypselae | narrowly oblanceolate to narrow oblong-elliptic, 2.6–4 mm, margins notably calloused, sparsely short-hairy, sometimes glandular; pappi of 1(–3) bristles 3–4.6 mm, sometimes plus hyaline scales. |
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Perityle gilensis |
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Distribution |
AZ
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Discussion | Varieties 2 (2 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 21, p. 330. | ||||
Parent taxa | Asteraceae > tribe Heliantheae > subtribe Peritylinae > Perityle > sect. Laphamia | ||||
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Subordinate taxa | |||||
Synonyms | Laphamia gilensis | ||||
Name authority | (M. E. Jones) J. F. Macbride: Contr. Gray Herb. 56: 39. (1918) | ||||
Web links |