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FNA | Family List | FNA Vol. 12 | Rhamnaceae

2. Adolphia infesta (Kunth) Meisner, Pl. Vasc. Gen. 2: 50. 1837.

Junco, Texas adolphia Junco, Texas adolphia

Ceanothus infestus Kunth in A. von Humboldt et al., Nov. Gen. Sp. 7(fol.): 47; 7(qto.): 61; plate 614. 1824 (as infesta); Colubrina infesta (Kunth) Schlechtendal

Shrubs, 0.3–1(–2) m, secondary branches and branchlets minutely and persistently short-hispid, slowly glabrescent, branchlets usually 0.5–1 mm diam. Leaves: blade narrowly oblanceolate to linear, 3–10 mm, margins entire [rarely dentate], surfaces glabrous; 1-veined from base. Pedicels 1–2.5 mm. Flowers: hypanthium hemispheric-campanulate, 1.5 mm wide, sides convex; sepals ovate-triangular, length nearly 2 times width, margins curved; petals 1.2–1.5 mm, shallowly hooded.

Flowering Mar–Aug(–Sep). Open slopes and washes, rocky outcrops, limestone and igneous substrates, roadsides, chaparral, oak-juniper and mixed conifer-oak woodlands; 1200–1800 m; Ariz., N.Mex., Tex.; c, n Mexico.


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