Plantago elongata |
Plantago helleri |
|
---|---|---|
coastal plantain, prairie plantain, slender plantain |
Heller's plantain |
|
Habit | Annuals; roots taproots, slender. | Annuals; roots taproots, slender. |
Stems | 0–5(–7) mm. |
0–12 mm. |
Leaves | 10–70 × (0.8–)1–2 mm; blade linear to almost filiform, margins entire, veins conspicuous or not, surfaces glabrous or hairy. |
50–130 × 3–7 mm; blade linear, margins entire, veins conspicuous or not, surfaces villous, adaxial rarely glabrous. |
Scapes | 10–80 mm, glabrous or hairy. |
80–250 mm, hairy, hairs patent, long and antrorse, short. |
Spikes | greenish, brownish, or gray, (30–)50–150 mm, densely or loosely flowered; bracts ovate, 2–2.5 mm, length 0.8–1.2 times sepals. |
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 2–2.5 mm; corolla radially symmetric, lobes spreading or reflexed, not forming a beak, 0.5–1 mm, base obtuse; stamens 2. |
sepals 3.5–4 mm; corolla radially symmetric, lobes reflexed, 3–3.6 mm, base slightly cordate; stamens 4, connective elongated, apex acute. |
Seeds | (3 or)4–9(–12), 1.5–2.5 mm. |
2, 3.2–3.8 mm. |
2n | = 12, 20, 36. |
= 20. |
Plantago elongata |
Plantago helleri |
|
Phenology | Flowering spring–early summer. | Flowering spring. |
Habitat | Mostly moist soils. | Dry slopes and flats on limestone. |
Elevation | 0–2100 m. (0–6900 ft.) | 100–1700 m. (300–5600 ft.) |
Distribution |
AZ; CA; CO; ID; KS; MN; MT; ND; NE; NM; OK; OR; SD; TX; UT; WA; WY; AB; BC; MB; SK; Mexico (Baja California)
|
NM; TX
|
Discussion | Purported differences between Plantago bigelovii and P. elongata (I. J. Bassett 1966) do not appear to be taxonomically meaningful. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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. 286. | FNA vol. 17, p. 287. |
Parent taxa | Plantaginaceae > Plantago | Plantaginaceae > Plantago |
Sibling taxa | ||
Synonyms | P. bigelovii, P. bigelovii subsp. californica, P. elongata subsp. pentasperma | |
Name authority | Pursh: Fl. Amer. Sept. 2: 729. (1813) | Small: Bull. New York Bot. Gard. 1: 288. (1899) |
Web links |