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FNA | Family List | FNA Vol. 14 | Convolvulaceae | Calystegia

1. Calystegia longipes (S. Watson) Brummitt, Ann. Missouri Bot. Gard. 52: 214. 1965.

Convolvulus longipes S. Watson, Amer. Naturalist 7: 302. 1873

Subshrubs, rootstock woody. Herbage glabrous. Stems erect, sometimes intertwined. Leaves: blade usually linear to narrowly triangular, sometimes ovate, to 60 mm, base not lobed, or hastate-lobed and lobes ± linear, oblong, or triangular, 1-pointed. Bracts 5–20(–50) mm distant from sepals, lanceolate to linear, 3–17 × 0.2–3 mm, margins entire or lobed. Flowers: sepals oblong-ovate, 8–11 mm; corolla white or cream, sometimes pink-tinged, 28–36(–47) mm.

Flowering Apr–Jul. Dry, rocky sites, desert scrub; 200–2500 m; Ariz., Calif., Nev., Utah; Mexico (Baja California).

Intermediates between Calystegia longipes and C. macrostegia subsp. tenuifolia, and between C. longipes and C. peirsonii, occur in southern California.


 

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