Plantago helleri |
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Heller's plantain |
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Habit | Annuals; roots taproots, slender. |
Stems | 0–12 mm. |
Leaves | 50–130 × 3–7 mm; blade linear, margins entire, veins conspicuous or not, surfaces villous, adaxial rarely glabrous. |
Scapes | 80–250 mm, hairy, hairs patent, long and antrorse, short. |
Spikes | greenish, whitish, or brownish, 50–120 mm, densely flowered, flowers in whorls or pairs; bracts triangular, 2.5–8 mm, length 0.6–2.2 times sepals. |
Flowers | sepals 3.5–4 mm; corolla radially symmetric, lobes reflexed, 3–3.6 mm, base slightly cordate; stamens 4, connective elongated, apex acute. |
Seeds | 2, 3.2–3.8 mm. |
2n | = 20. |
Plantago helleri |
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Phenology | Flowering spring. |
Habitat | Dry slopes and flats on limestone. |
Elevation | 100–1700 m. (300–5600 ft.) |
Distribution |
NM; TX
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Discussion | Populations of Plantago helleri are concentrated in central Texas, especially in the Edwards Plateau and Trans-Pecos. The species also occurs in Eddy and Lincoln counties, New Mexico. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 17, p. 287. |
Parent taxa | |
Sibling taxa | |
Name authority | Small: Bull. New York Bot. Gard. 1: 288. (1899) |
Web links |