Galium simense Fresen.

Straggling or climbing herb 0.5–2.4 m. long; stems weak, mostly with small prickles but otherwise glabrous (except for a hairy ring at the nodes), or with sparse curved hairs when young.. Leaves and stipules in whorls of 4–8; blades linear-oblanceolate, 0.5–3.2(–4) cm. long, 1–2.5(–4) mm. wide, with a distinct acumen at the apex, often deflexed, cuneate at the base, glabrous and often somewhat shining but margins and midnerve with very recurved coarse prickles making the whole plant harshly adhesive.. Cymes ± condensed, 0.3–0.5 cm. long, and some flowers solitary; pedicels 0–2 mm. long or, in case of solitary flowers, up to 0.8–1.4 cm. long in fruit.. Calyx-tube biglobose, 0.35–0.6 mm. long, 0.4–0.85 mm. wide, glabrous, with clusters of large cells around the rim.. Corolla white, green or yellowish green, ± 4 mm. wide; tube 0.3–0.4 mm. long; lobes narrowly triangular, 1.3–1.7 mm. long, 0.7–0.8 mm. wide, acute and with an inflexed acumen.. Fruits black or purplish black and fleshy; cocci 2.5–3.5 mm. in diameter, glabrous (see note).

In montane thickets.