Difference between revisions of "Arenaria benthamii"
Fl. N. Amer. 1: 675. 1840.
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|common_names=Hilly sandwort | |common_names=Hilly sandwort | ||
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|publication year=1840 | |publication year=1840 | ||
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|subfamily=Caryophyllaceae subfam. Alsinoideae | |subfamily=Caryophyllaceae subfam. Alsinoideae | ||
|genus=Arenaria | |genus=Arenaria | ||
Latest revision as of 22:07, 5 November 2020
Illustrator:
Copyright:
Plants annual. Taproots filiform. Stems 1–40+, erect to ascending, branching, green, 10–30(–50) cm; internodes ± terete, mostly 1–10 times as long as leaves, dull, retrosely puberulent in 2 lines. Leaves usually connate proximally, with scarious sheath 0.2–0.4 mm, petiolate (proximal leaves) or sessile; petiole 2–4 mm; blade 1-veined, vein ± weak abaxially, ovate (petiolate blades) or elliptic-lanceolate to oblanceolate, 5–15(–20) × 2–4 mm, herbaceous, margins undulate, scarious, shiny, sparsely ciliate especially proximally, apex acute to apiculate or cuspidate, often pustulate, glabrous; axillary leaf clusters absent. Inflorescences terminal, open, leafy, 3–50+-flowered cymes. Pedicels erect to reflexed in fruit, 10–40 mm, glabrous. Flowers: sepals green, 1-veined, vein obscure or prominent proximally, not keeled, elliptic to broadly ovate (herbaceous portion light green, ovate), 2–3.5 mm, to 4.5 mm in fruit, apex acute to acuminate, often pustulate, glabrous; petals elliptic, 1.5–3 mm, 1/2–3/4 times as long as sepals, apex obtuse. Capsules loosely to tightly enclosed by calyx, ovoid, 3–4 mm, 11/5–2 times as long as sepals. Seeds 20–30, ashy brown, broadly reniform, compressed, 0.5–0.6 mm, dull, minutely or prominently rounded-tuberculate.
Phenology: Flowering late spring.
Habitat: Open woodlands, limestone slopes and outcrops
Elevation: 0-400 m
Distribution
La., N.Mex., Okla., Tex., Mexico (Coahuila, Nuevo León).
Discussion
Selected References
None.