Perityle ciliata
Perityle sect. Perityle
fringe rock daisy, hairy rock-daisy
petioles 2–15 mm;
blades deltate-ovate to ovate-rhombic, 6–23 × 5–24 mm, margins usually entire or serrate to serrate-crenate, sometimes shallow-lobed.
5–25 mm.
campanulate.
campanulate to hemispheric, 3–11 × 4–14 mm.
6–10;
corollas white, sometimes pink tinged, laminae broadly oblong to oblong-elliptic, 3–7 × 1.5–3 mm.
0 or (1–)8–18;
corollas yellow or white.
30–40;
corollas yellow, often purple tinged, tubes 0.8–1 mm, throats tubular to tubular-funnelform, 1.2–1.4 mm, lobes 0.3–0.4 mm.
20–100+;
corollas yellow (sometimes pink or purple tinged).
13–20, linear-lanceolate to narrow-ovate, 4–5.5 × 1–2 mm.
in corymbiform arrays, 5–7 × 5.5–7 mm.
linear-oblong to oblanceolate, 2–2.8 mm, margins prominently calloused, long-ciliate;
pappi of 2(–3+) barbellulate bristles 1.5–2.5 mm plus crowns of hyaline, laciniate scales.
linear, linear-elliptic, linear-oblong, oblanceolate, oblong, ovate, or subcuneate, usually flattened (outer often 3-angled), margins usually prominently calloused, sometimes thin (not calloused), usually ± densely ciliate;
pappi 0 or of 1–2(–3+), unequal to subequal, ± barbellate bristles 0.5–4(–6) mm, sometimes plus crowns of hyaline, laciniate scales.
= 17, 19.
= 34.
Perityle ciliata
Perityle sect. Perityle
Perityle ciliata is found only in the mountains of central Arizona in Apache, Coconino, Gila, Mohave, and Yavapai counties. It appears to be most closely related to P. coronopifolia.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
Species 30 (7 in the flora).
(Discussion copyrighted by Flora of North America; reprinted with permission.)
1. Ray florets 0 (Brewster and Terrell counties, Texas) | P. aglossa |
1. Ray florets usually 6–18 (sometimes 0 or 1–6 in P. parryi from w Presidio County, Texas) | → 2 |
2. Ray and disc corollas yellow; Texas | → 3 |
2. Ray corollas white, disc corollas yellow (sometimes purple tinged); Arizona, California, Nevada, New Mexico, Utah | → 4 |
3. Leaves usually cordate to subreniform, margins usually irregularly dentate, laciniate, or ± 3-lobed, seldom more divided (perennials or subshrubs in rock crevices or in soil) | P. parryi |
3. Leaves usually ternately lobed or ± cruciform, lobes usually again ternately lobed (perennials in soil) | P. vaseyi |
4. Annuals (sometimes persisting) | → 5 |
4. Subshrubs | → 6 |
5. Cypselae (1.5–)2–3 mm, margins thin (not calloused); pappi 0, or of single, antrorsely to retrorsely barbellate bristles 1–3 mm plus crowns of hyaline, laciniate scales | P. emoryi |
5. Cypselae 1.5–2 mm, margins prominently calloused; pappi of 2 unequal, antrorsely barbellate bristles 0.8–1.2 mm (the longest) plus crowns of hyaline, laciniate scales | P. microglossa |
6. Leaf blades deltate-ovate to ovate-rhombic, margins usually entire or serrate to serrate-crenate, sometimes shallow-lobed; c Arizona | P. ciliata |
6. Leaf blades pedately lobed (lobes spatulate or linear) or 2–3-pinnatifid (lobes linear-filiform); s Arizona, New Mexico | P. coronopifolia |
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