Plantago helleri |
Plantago lanceolata |
|
---|---|---|
Heller's plantain |
buckhorn plantain, English plantain, narrow-leaf plantain, ribwort, ribwort plantain |
|
Habit | Annuals; roots taproots, slender. | Perennials; caudex hairy or glabrous; roots fibrous, slender. |
Stems | 0–12 mm. |
0–20 mm. |
Leaves | 50–130 × 3–7 mm; blade linear, margins entire, veins conspicuous or not, surfaces villous, adaxial rarely glabrous. |
30–300 × 5–25(–45) mm; blade lanceolate to oblanceolate, margins entire or toothed, veins conspicuous, surfaces glabrous or sericeous. |
Scapes | 80–250 mm, hairy, hairs patent, long and antrorse, short. |
300–400 mm, groove-angled, hairy. |
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. |
grayish, whitish, or yellowish, (5–)100–450(–1000) mm, usually shorter than scape, densely flowered, shiny; corolla lobes of neighboring flowers often overlapping; bracts broadly ovate, 2 mm, length 0.8–1 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. |
sepals 2–2.5 mm, adaxial 2 connate; corolla radially symmetric, lobes reflexed, 2–2.5 mm, base obtuse; stamens 4. |
Seeds | 2, 3.2–3.8 mm. |
(1 or)2, 2–3(–4) mm. |
2n | = 20. |
= 12. |
Plantago helleri |
Plantago lanceolata |
|
Phenology | Flowering spring. | Flowering summer. |
Habitat | Dry slopes and flats on limestone. | Roadsides, trails, lawns, urban areas, other disturbed sites. |
Elevation | 100–1700 m. (300–5600 ft.) | 0–3200 m. (0–10500 ft.) |
Distribution |
NM; TX
|
AK; AL; AR; AZ; CA; CO; CT; DC; DE; FL; GA; IA; ID; IL; IN; KS; KY; LA; MA; MD; ME; MI; MN; MO; MS; MT; NC; ND; NE; NH; NJ; NM; NV; NY; OH; OK; OR; PA; RI; SC; SD; TN; TX; UT; VA; VT; WA; WI; WV; WY; BC; NB; NF; NS; ON; PE; QC; SPM; Greenland; Europe [Introduced in North America; introduced also in Central America, South America, Asia, Africa, Pacific Islands, Australia]
|
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.) |
Plantago lanceolata is known from historic collections in Manitoba and Saskatchewan. The name Plantago altissima Linnaeus sometimes has been misapplied to North American plants of P. lanceolata. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 17, p. 287. | FNA vol. 17, p. 288. |
Parent taxa | Plantaginaceae > Plantago | Plantaginaceae > Plantago |
Sibling taxa | ||
Synonyms | P. lanceolata var. angustifolia, P. lanceolata var. sphaerostachya | |
Name authority | Small: Bull. New York Bot. Gard. 1: 288. (1899) | Linnaeus: Sp. Pl. 1: 113. (1753) |
Web links |
|