Trifolium angustifolium L.

Annual; stems densely clothed in appressed hairs, erect or ascending to erect, not rooting at nodes. Lvs sparsely to moderately hairy on petioles and undersurface of leaflets, glabrous to moderately hairy on uppersurface; petioles c. 10–50 mm long; leaflets linear-lanceolate, acute to acuminate, cuneate at base, entire, c. 20–70 mm long; lateral veins thin and straight to leaflet margin; petiolules up to c. 1 mm long, ± equal; stipules oblong, acuminate. Infls terminal, spicate, usually cylindric, sometimes ovoid, pedunculate, > subtending lf; fls numerous, sessile; bracts 0. Calyx densely hispid, with 10 indistinct veins, slightly inflated on all sides at fruiting; throat open, with a ring of hairs, closed by thickening at fruiting; calyx teeth unequal, narrowly lanceolate, spreading to recurved at fruiting; lower teeth > the other 4, just < or ± = corolla, > tube; upper teeth > or = tube; sinuses obtuse. Corolla pink, deciduous, (9)–10–12 mm long. Pod glabrous, straight, < calyx, 2–3 mm long, 1-seeded; seeds c. 2 mm diam.

[From: Webb et al. (1988) Flora of New Zealand. Volume 4.]

Flowering: Nov.–Apr.