Stems terete, uncinate-hairy. Leaves not pungent, uncinatehairy; stipules ovate-lanceolate, falcate, 2–7 × 1–4 mm, margins entire, eglandular; petiole glandular, glands clavate; blade roughly symmetric, 2–7(–10) × 2–7(–11) cm, deeply (3–)5–7 (–9)-lobed, middle lobe as long as or longer than lateral lobes, margins serrate; abaxial fine veins prominently raised, abaxial nectaries absent or sometimes present along lateral veins. Floral bracts linear-subulate, 2–7 × 0.5 mm, margins entire, eglandular. Flowers: floral tube cuplike, 1–2 mm deep; sepals white, 15–20 × 5–8 mm; petals white, 8–11 × 2–3 mm; corona filament whorls 1, filaments purple basally, yellow-white apically, linear, terete, sometimes clavate, 5–11 mm. Berries green to green-white, ovoid-fusiform, 35–45 × 20–25 mm. 2n = 12.
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A vine. It can grow 5 m long. The flowers are white.
Semi-arid thorn scrub, grassy chaparral-type vegetation (Ilano espinoso), canyons in arid areas, or sometimes in open dry grassy low oak or pine forest; at elevations from 1,100-2,150 metres.
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Semi-arid thorn scrub, grassy chaparral-type vegetation (Ilano espinoso), canyons in arid areas, or sometimes in open dry grassy low oak or pine forest; at elevations from 1,100-2,150 metres.
Can be grown by cuttings or seedlings. Seeds needs soaking.