Difference between revisions of "Stillingia texana"
Contr. Gray Herb. 68: 91. 1923.
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|basionyms={{Treatment/ID/Basionym | |basionyms={{Treatment/ID/Basionym | ||
|name=Sapium sylvaticum var. linearifolium | |name=Sapium sylvaticum var. linearifolium | ||
| − | |authority=Torrey | + | |authority=Torrey |
|rank=variety | |rank=variety | ||
| − | |publication_title=Rep. U. S. Mex. Bound. | + | |publication_title=in W. H. Emory, Rep. U. S. Mex. Bound. |
|publication_place=2(1): 201. 1859 | |publication_place=2(1): 201. 1859 | ||
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|publication year=1923 | |publication year=1923 | ||
|special status= | |special status= | ||
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|genus=Stillingia | |genus=Stillingia | ||
|species=Stillingia texana | |species=Stillingia texana | ||
Latest revision as of 19:13, 5 November 2020
Herbs or subshrubs, perennial, with woody caudex. Stems solitary or fascicled, erect, mostly unbranched, 1.5–4.5(–6) dm. Leaves alternate; stipules linear-lanceolate, to 1 mm; petiole absent; blade linear to linear-lanceolate, (1–)3–6(–7) × 0.3–0.6(–1) cm, base cuneate to obtuse, margins crenate-dentate, teeth with prominent blackened tips, not incurved, apex acute; midvein prominent, especially proximally, secondary veins obscure. Inflorescences sessile, 3–9 cm; staminate cymules crowded, 3–5-flowered; pistillate flowers 3–4, crowded; bracts broadly deltate, to 1 mm, apex acute, glands patelliform, sessile, 2 mm diam. Staminate flowers: calyx 1 mm. Pistillate flowers: sepals persistent, 3, well developed, elliptic; styles connate 3/4 length, to 4 mm. Capsules globose, 6–8 mm diam., shallowly 3-lobed; lobes of gynobase 2–3 mm; columella often persistent. Seeds gray, ellipsoid, 5 × 5 mm, smooth; caruncle white, broadly crescent-shaped, 1 × 1.3–1.5 mm.
Phenology: Flowering late Apr–May(–Jul); fruiting Jun–Sep.
Habitat: Calcareous prairies, open uplands.
Elevation: 200–1500 m.
Distribution
Okla., Tex., Mexico (Coahuila).
Discussion
Stillingia texana is widespread in central Texas, extending north to scattered locations in central Oklahoma.
Selected References
None.