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FNA | Family List | FNA Vol. 14 | Solanaceae | Chamaesaracha

5. Chamaesaracha crenata Rydberg, Mem. Torrey Bot. Club. 4: 368. 1896. (as Camaesaracha).

Toothed five eyes

Stems decumbent, pale green, (1.5–)3–4 dm. Herbage pubes­cent, viscid, hairs simple, long and eglandular intermixed with shorter glandular. Leaves: peti­ole 1/3 total leaf length; blade ovate to broadly rhombic, 4–6 × 1.5–3.5 cm, length 2–2.5 times width, margins crenate or sinu­ate. Inflorescences 1–5-flowered. Flowers: calyx 5–7 mm, densely pubescent, hairs mostly relatively long; corolla 5–15 mm diam. Berries 8–10 mm diam. 2n = 24.

Flowering Mar–Oct (mostly late spring–early summer, depending on rain). Deserts, dry grasslands, frequently on roadsides or dry desert washes; 500–900 m; Tex.; Mexico (Coahuila).

Chamaesaracha crenata occurs primarily in the Big Bend region of Texas and adjacent Coahuila, Mexico. Plants are robust, forming dense mounds. J. Henrickson (2009) included C. crenata within C. villosa. The two species are very similar; populations in and around Big Bend National Park compare more closely to the type of C. crenata.


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