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Fish Creek rockdaisy, Gila rockdaisy

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.

Peduncles

1–4 mm.

Involucres

broadly campanulate to hemispheric.

Ray florets

8–18;

corollas yellow, laminae oblong to subovate, 4–10 × 2–4 mm.

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.

Phyllaries

20–30, linear-lanceolate to oblanceolate, 4–7 × 0.8–1.5 mm.

Heads

borne singly or (2–4) in corymbiform arrays, 8–11 × 9–12 mm.

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.

Perityle gilensis

Distribution
from FNA
AZ
[WildflowerSearch map]
[BONAP county map]
Discussion

Varieties 2 (2 in the flora).

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Key
1. Leaves: petioles 9–25(–30) mm, lobes of mid and distal leaves elliptic to ovate
var. gilensis
1. Leaves: petioles 25–45(–80) mm, lobes of mid and distal leaves linear to long-spatulate
var. salensis
Source FNA vol. 21, p. 330.
Parent taxa Asteraceae > tribe Heliantheae > subtribe Peritylinae > Perityle > sect. Laphamia
Sibling taxa
P. aglossa, P. ajoensis, P. ambrosiifolia, P. angustifolia, P. bisetosa, P. cernua, P. ciliata, P. cinerea, P. cochisensis, P. congesta, P. coronopifolia, P. dissecta, P. emoryi, P. fosteri, P. gracilis, P. huecoensis, P. intricata, P. inyoensis, P. lemmonii, P. lindheimeri, P. megalocephala, P. microglossa, P. parryi, P. quinqueflora, P. rupestris, P. saxicola, P. specuicola, P. stansburyi, P. staurophylla, P. tenella, P. vaseyi, P. villosa, P. vitreomontana, P. warnockii
Subordinate taxa
P. gilensis var. gilensis, P. gilensis var. salensis
Synonyms Laphamia gilensis
Name authority (M. E. Jones) J. F. Macbride: Contr. Gray Herb. 56: 39. (1918)
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