Difference between revisions of "Peritoma lutea"
Sylva Tellur., 112. 1838.
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|genus=Peritoma | |genus=Peritoma | ||
|species=Peritoma lutea | |species=Peritoma lutea | ||
Latest revision as of 22:32, 5 November 2020
Annuals, (15–)25–30 cm. Stems sparsely branched distally; glabrous or glabrate. Leaves: petiole 1.5–4.5 cm; leaflets 5 (proximal ones sometimes early deciduous), blade linear to elliptic, 1.5–4(–6) × 0.4–1.3 cm, margins serrate, apex long-acuminate, surfaces glabrous. Racemes 1–3 cm (6–40 cm in fruit); bracts unifoliate, spatulate, 2–15 mm. Pedicels 7–15 mm. Flowers: sepals persistent, connate ca. 1/2 of length, yellow, lanceolate, 1.6–2.6 × 0.8–1.2 mm, margins denticulate, glabrous; petals light yellow, oblong to ovate, 5–8 × 2–4 mm; stamens yellow, 10–15 mm; anthers 1.9–2.6 mm; gynophore 5–17 mm in fruit; ovary 3–6 mm; style 0.5–0.8 mm. Capsules not inflated, 15–40 × 2–5 mm, striate. Seeds 10–20, gray to black, triangular (sharply angled), 3–4 × 2.5–3 mm, rugose. 2n = 34.
Phenology: Flowering spring–late summer.
Habitat: Dry sandy flats, desert scrub, roadsides
Elevation: (100-)600-2400 m
Distribution
Calif., Colo., Idaho, Mont., Nebr., Nev., N.Mex., Oreg., Utah, Wash., Wyo., Mexico (Baja California).
Discussion
Selected References
None.