Difference between revisions of "Idahoa scapigera"
Bot. Gaz. 56: 474. 1913.
Common names: Flatpod
IllustratedEndemic
Basionym: Platyspermum scapigerum Hooker Fl. Bor.-Amer. 1: 68, plate 18, fig. B. 1830
Treatment appears in FNA Volume 7. Treatment on page 567.
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|genus=Idahoa | |genus=Idahoa | ||
|species=Idahoa scapigera | |species=Idahoa scapigera | ||
Latest revision as of 22:36, 5 November 2020
Basal leaves: petiole (0.2–)0.5 2(–3) cm; blade ovate, obovate, or spatulate, (0.3–)0.7–2(–2.5) cm × 2–8(–12) mm. Fruiting pedicels (2–)4–15(–22), straight, (15–)25–110(–130) mm. Flowers: sepals purplish, 1.5–1.8 × 0.5–0.8 mm, margins not hyaline; petals 2–2.5 × 0.5–0.8 mm, attenuate to base; filaments 1.4–1.6 mm; anthers 0.15–0.2 mm, gynophore obsolete or, rarely, to 1 mm. Fruits (0.5–)0.6–0.9(–1) cm (slightly longer than wide); valves rounded at each end; style subconical, 0.3–0.8 mm. Seeds strongly compressed, 3.5–5 mm diam., coarsely reticulate (except for wing); wing 0.8–1.2 mm wide. 2n = 16.
Phenology: Flowering Mar–May.
Habitat: Sagebrush slopes and scabland, dry ground, rocky volcanic flats and outcrops, open moist slopes and banks, gravelly hills, meadows, rocky hillsides, seepy sunny slopes
Elevation: 300-1700 m
Distribution
B.C., Calif., Idaho, Mont., Nev., Oreg., Wash.
Discussion
Selected References
None.
Lower Taxa
None.