Pentas pubiflora S.Moore

Herb or subshrub 0.6–1.5(–3) m. tall; stems erect or somewhat decumbent, woody below, hairy or glabrescent.. Leaf-blades ovate to lanceolate, (3–)9.5–14.5 cm. long, (1.2–)3–5 cm. wide, acute at the apex, cuneate at the base, pubescent; petiole 0–0.6(–3) cm. long; stipules with ± (5–)7–9 filiform setae 0.5–1.2 cm. long from a short base.. Inflorescences of terminal and axillary components, usually wide and corymbose, up to 12 cm. wide (smaller, 2–5.5 cm. wide, in the W. African race); peduncles ± 2–4.5 cm. long.. Flowers white, rarely tinged pale blue or pinkish, or in W. African race blue.. Calyx-tube 1.5 mm. long; lobes unequal, 1 foliaceous, ovate 2–6.5 mm. long, 0.75–2 mm. wide, the rest deltoid or triangular, 1–2 mm. long.. Long-styled flowers; corolla-tube funnel-shaped, 4–5 mm. long, 1–1.25 mm. wide below, dilated above to 1.75 mm.; lobes oblong-lanceolate, 2–3 mm. long, 1–1.25 mm. wide; stamens entirely included; style exserted (1–)2–3.5 mm.. Short-styled flowers: similar, tube up to 5.5 mm. long, 2 mm. wide at the throat; lobes 1.5–2 mm. long; anthers exserted 0.5–1.25 mm.. Capsule 2–4.5 mm. long, 2–3 mm. wide, hairy, ribbed; beak 1 mm. tall.