Crassula tetragona L.

Erect, glabrous subshrub 15–40–(50) cm high; stems 5–10 mm thick, becoming woody. Lvs sessile, decussate and ± imbricate but internodes clearly visible, not forming terminal rosettes, 13–33 × 6–8 mm, 4–6 mm thick, subterete with upper surface flattened and lower surface ± rounded, slightly angular, deep green, lacking hydathodes, ± upturned and falcate; apex acute. Infl. a ±rounded thyrse, somewhat corymbose, 2–5 cm across; main axis with small bracts. Fls 5-merous, 3–5 mm diam., usually numerous, subsessile or on pedicels to 3 mm long. Calyx 0.7–1 mm long; lobes broadly ovate or oblong-ovate. Corolla not star-like; petals free, spreading, 2–3 × 1–1.3 mm, elliptic-ovate or oblong-ovate, white, reflexed. Stamens and carpels (including styles) c. 2.5 mm long. Scales very small, semi-lunate. Seeds not seen and fls not replaced by plantlets in infl.

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