Difference between revisions of "Froelichia arizonica"
in N. L. Britton et al., N. Amer. Fl. 21: 128. 1917.
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|genus=Froelichia | |genus=Froelichia | ||
|species=Froelichia arizonica | |species=Froelichia arizonica | ||
Revision as of 17:31, 18 September 2019
Plants perennial; taproot enlarged, woody. Stems 1–several, ascending or decumbent, often branched distally, 3–10 dm, sericeous-tomentose with white hairs. Leaves usually crowded at base, few on stems, sessile or short-petiolate; blade lanceolate, proximal leaves 3–12 × 0.5–2.5 cm, base attenuate, apex acute or rarely obtuse, scaberulous or canescent adaxially, sericeous-tomentose with bright whitish hairs abaxially. Spikes dense, stout, flowers arranged in 3-ranked spiral; bracteoles dark, glabrous. Flowers (3.5–)4–5.5 mm; perianth lobes narrowly oblong, apex obtuse, or acutish, pubescence dense, bright white; filament lobes stramineous or darkened, blunt. Utricles narrowly or broadly winged laterally, 2.5–5.5 × 3–4.5 mm, longer than broad, wing margins irregularly dentate, 1 or both surfaces of perianth with 1 or more basal tubercles or spines.
Phenology: Flowering year-round.
Habitat: Open rocky or gravelly hillsides
Elevation: 700-2200 m
Distribution
Ariz., N.Mex., Tex., Mexico (Chihuahua, Coahuila, Nuevo León).
Discussion
Selected References
None.