Difference between revisions of "Stillingia treculiana"
Contr. Gray Herb. 68: 91. 1923.
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|name=Gymnanthes treculiana | |name=Gymnanthes treculiana | ||
|authority=Müller Arg. | |authority=Müller Arg. | ||
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|publication_title=Linnaea | |publication_title=Linnaea | ||
|publication_place=34: 216. 1865 | |publication_place=34: 216. 1865 | ||
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name=Stillingia treculiana | name=Stillingia treculiana | ||
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|authority=(Müller Arg.) I. M. Johnston | |authority=(Müller Arg.) I. M. Johnston | ||
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|publication year=1923 | |publication year=1923 | ||
|special status= | |special status= | ||
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|genus=Stillingia | |genus=Stillingia | ||
|species=Stillingia treculiana | |species=Stillingia treculiana | ||
Latest revision as of 19:15, 5 November 2020
Herbs, perennial, with woody taproot. Stems fascicled, spreading, branching throughout, 1–4.5 dm. Leaves alternate; stipules linear, to 1 mm; petiole absent; blade usually obovate-spatulate, rarely narrowly elliptic, 1–-4 × 0.5–1.5 cm, base cuneate, margins coarsely spinulose-dentate, teeth without prominent blackened tips, not incurved, apex rounded to obtuse; midrib prominent, secondary veins obscure. Inflorescences pedunculate, 2.5–-5 cm; staminate flowers ± widely spaced, 1 per node; pistillate flowers 3–4, widely spaced; bracts ovate, 1 mm, apex mucronate, glands patelliform, ± sessile, 0.7 mm diam. Staminate flowers: calyx 1 mm. Pistillate flowers: sepals fugacious, 3, minute; styles connate only at base, 1.5 mm. Capsules ovoid-pyriform, 4 × 5 mm, deeply 3-lobed; lobes of gynobase to 1 mm; columella persistent. Seeds gray to black, ellipsoid, 2.5 × 2 mm, smooth; caruncle minute.
Phenology: Flowering Mar–May; fruiting (Mar–)Apr–Jul(–Dec).
Habitat: Calcareous sandy soils, gravelly soils, and uplands.
Elevation: 0–1000 m.
Distribution
Tex., Mexico (Coahuila, Nuevo León, Tamaulipas).
Discussion
Stillingia treculiana is known in the flora area from the western Edwards Plateau south to the lower Rio Grande valley.
Selected References
None.