Plantago tweedyi
in A. Gray et al., Syn. Fl. N. Amer. ed. 2, 2(1): 390. 1886.
Common names: Tweedy's plantain
Endemic
Perennials; caudex well developed, conspicuous, glabrous; roots taproots, thick. Stems 0–20 mm. Leaves 40–200 × 10–30 mm; blade lanceolate-spatulate to narrowly ovate, margins entire, sometimes toothed, veins conspicuous, surfaces usually glabrous. Scapes 25–200 mm, slightly surpassing leaves, glabrous. Spikes brownish or greenish, 45–250 mm, densely flowered, rachis not clearly visible between flowers; bracts broadly ovate, 2 mm, length 0.8–1 times sepals. Flowers: sepals 2–2.5 mm; corolla radially symmetric, lobes spreading, 1 mm, base obtuse; stamens 4. Seeds 3 or 4, 2–2.3 mm. 2n = 24.
Phenology: Flowering summer.
Habitat: Grasslands, sagebrush steppes, montane and subalpine meadows.
Elevation: 1600–4000 m.
Distribution
Ariz., Colo., Idaho, Mont., N.Mex., Utah, Wyo.
Discussion
Selected References
None.
Lower Taxa
None.