Flora of North America species comparison

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Drymocallis pseudorupestris var. crumiana
Photo is of parent taxon

Crum's drymocallis or wood beauty, Crum's woodbeauty
Stems

(0.3–)0.8–2(–2.5) dm, base 1–2 mm diam., short hairs absent or sparse.
Basal leaves

(2–)3–9(–15) cm, not to sparsely short-hairy, sparsely to moderately subsessile golden glandular, rigidly bristly (bristles 0.5–1 mm);

leaflet pairs 3–4(–5);

terminal leaflet broadly obovate to flabellate, 0.2–1.2(–2) × 0.5–1.5 cm, teeth ± single, 2–5 per side.
Pedicels

5–12 (proximal to 20) mm, bristly, short hairs absent or sparse.
Flowers

2–8;

hypanthia and sepals prominently bristly, bristles 1–1.5 mm;

epicalyx bractlets elliptic-ovate to lanceolate, 2–3.5(–4) × 1–2 mm;

sepals 4–6(–7) mm;

petals not or scarcely overlapping, often red-tinged, narrowly to broadly obovate, 5–7(–9) × 3–5 mm;

filaments 1.5–2(–3) mm;

styles usually dark red, rarely golden brown.

Drymocallis pseudorupestris var. crumiana
Phenology Flowering Jul–Aug.
Habitat Rocky slopes, talus, and ledges, on metamorphic, granitic, and volcanic substrates
Elevation 3200–3900 m (10500–12800 ft)
Distribution
from FNA
CA
[BONAP county map]
Discussion

The red-tinged petals of var. crumiana, initially noted by E. Crum (as summarized by B. Ertter 2007), are not reliably diagnostic; however, the distinctive leaflet aspect is not found elsewhere in Drymocallis, though approaching D. fissa in Colorado. The vestiture includes prominent golden glands and conspicuous bristles that are rarely found in other North American Drymocallis, and the stigmas are commonly (though not consistently) dark reddish, not the more common pale golden brown. The variety occurs in the southern Sierra Nevada in Fresno, Inyo, and Tulare counties, and in the White Mountains of Mono County.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 9, p. 290.
Parent taxa Rosaceae > subfam. Rosoideae > tribe Potentilleae > Drymocallis > Drymocallis pseudorupestris
Sibling taxa
D. pseudorupestris var. pseudorupestris, D. pseudorupestris var. saxicola
Name authority D. D. Keck ex Ertter: J. Bot. Res. Inst. Texas 1: 39, figs. 1G–L. (2007)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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