Difference between revisions of "Ammannia grayi"
Harvard Pap. Bot. 18: 75. 2013.
Common names: Stalkflower
Basionym: Nesaea longipes A. Gray Smithsonian Contr. Knowl. 3(5): 68. 1852
Synonyms: Heimia longipes (A. Gray) Cory
Treatment appears in FNA Volume 10.
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Latest revision as of 11:32, 9 May 2022
Illustrator:
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Herbs perennial, slender, 1–6 dm, glaucous throughout. Stems decumbent or trailing, branched or unbranched. Leaf blades linear to narrowly lanceolate, 10–50 × 1–5 mm. Inflorescences solitary flowers; peduncle slender, 7–19 mm. Pedicels slender, 0.5–1 mm. Floral tube campanulate, 3–6 mm; epicalyx segments shorter than sepals; sepals 6; petals 6, pale pink or lavender, 4–7 × 3–5 mm; stamens (10–)12(–14); anthers green; style slender, well-exserted, 6–9 mm; stigma punctiform. Capsules 3.5 mm diam., included, circumscissile then splitting irregularly. 2n = ca. 50.
Phenology: Flowering late spring–fall (May–Sep).
Habitat: Limestone seeps along creek banks, on highly alkaline soil around springs and moist areas.
Elevation: 500–1500 m.
Distribution
N.Mex., Tex., Mexico (Coahuila, Sonora).
Discussion
Selected References
None.
Lower Taxa
None.