Difference between revisions of "Plantago helleri"
Bull. New York Bot. Gard. 1: 288. 1899.
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name=Plantago helleri | name=Plantago helleri | ||
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|authority=Small | |authority=Small | ||
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|publication year=1899 | |publication year=1899 | ||
|special status=Endemic | |special status=Endemic | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/coarse_grained_fna_xml/V17/V17_691.xml |
|genus=Plantago | |genus=Plantago | ||
|species=Plantago helleri | |species=Plantago helleri | ||
Revision as of 20:11, 16 December 2019
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.
Phenology: Flowering spring.
Habitat: Dry slopes and flats on limestone.
Elevation: 100–1700 m.
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.
Selected References
None.