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

10e. Calystegia collina (Greene) Brummitt subsp. oxyphylla Brummitt, Kew Bull. 35: 328. 1980.
[E]

Stems to 8(–20) cm or almost absent, densely tomentose or ± villous, hairs brown. Leaf blades broadly triangular, base lobed, lobes well developed, 1–3-pointed, margins undulate or not, apex acute. Bracts lanceolate to broadly ovate, 8–17 × 5–11 mm. Flowers: sepals glabrous or medially strigose; corolla 27–53 mm.

Flowering Apr–Jun. Chaparral, grassy, rocky sites, woodlands; 100–900 m; Calif.

Subspecies oxyphylla intergrades with subsp. collina.


 

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