Flora of North America species comparison

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Cottsia gracilis

slender janusia
Leaf

blades very narrowly lanceolate or elliptic, larger blades 12–40(–50) × (1.5–)3–7(–9) mm, length 4–10 times width, base cuneate or rounded, apex acute, obtuse, or occasionally rounded, margins very often bearing few to many cilia or toothlike projections distally, surfaces persistently sericeous or sometimes glabrescent.
Pedicels

4–8 mm, 0.7–1.8 times as long as peduncles.
Samaras

9–15(–17) mm, nut 1.5–2.5 × 3–4.5 mm.
2n

= 40 (Mexico).

Cottsia gracilis
Phenology Flowering and fruiting Mar–Oct(–Jan).
Habitat Open rocky slopes and deserts.
Elevation 300–1600(–2100) m. (1000–5200(–6900) ft.)
Distribution
from FNA
AZ; NM; TX; Mexico (Baja California, Baja California Sur, Chihuahua, Durango, Nuevo León, Sonora, Zacatecas)
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Discussion

Cottsia gracilis is widespread in Arizona, absent only from the northeastern part of the state, but otherwise in the flora area is restricted to southern New Mexico and trans-Pecos Texas.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 12, p. 363.
Parent taxa Malpighiaceae > Cottsia
Synonyms Janusia gracilis
Name authority (A. Gray) W. R. Anderson & C. Davis: Contr. Univ. Michigan Herb. 25: 163. (2007)
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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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