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.
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.
"thick" is not a number.
... more about "Idahoa scapigera"
hypogynous +
dithecal +
dehiscing +
opposite +
absent +
15;22 +
straight +
4;15 +
spatulate;obovate;spatulate;obovate;ovate +
absent +
woody +
well-developed +
Flatpod +
accumbent +
3[2]-fid +
absent +
absent +
median +
dilated +
tetradynamous +
bisexual +
distinct +
absent +
Sagebrush slopes and scabland, dry ground, rocky volcanic flats and outcrops, open moist slopes and banks, gravelly hills, meadows, rocky hillsides, seepy sunny slopes +
Present +
racemose +
slender +
pungent +
watery +
petiolate +
rosulate +
basal +
absent +
connivent +
spreading +
decurrent +
not hyaline +
pinnatifid +
absent +
1-seeded +
semiannular +
variable +
eseptate +
parietal +
apical +
1;300 +
decussate +
absent +
hypogynous +
alternate +
2mm;2.5mm +
absent +
rudimentary +
attenuate +
2-carpellate +
Bot. Gaz. +
1913 +
coiled +
accumbent +
conduplicate +
incumbent +
tiny +
indistinct +
flattened +
slender +
mucilaginous +
winged +
reticulate +
3.5mm;5mm +
compressed +
purplish +
distinct +
? (?) +
lateral +
complete +
absent +
reduced +
longitudinal +
tetradynamous +
equal +
prostrate +
absent +
capitate +
absent +
persistent +
absent +
obsolete +
subconical +
Idahoa scapigera +
Idahoa +
species +
stellate +
dehiscing +
rounded +
anastomosing +
scapose +
submerged +
0.8mm;1.2mm +