Gentianella divisa

Detailed description

Plants monocarpic, biennial, possibly triennial, height in flower 40–200 mm. Caudex unbranched, c.20 mm long. Root 2–6 mm diameter at stem base. Flowering stem terminal, 1.7–5.0 mm diameter at base, 1.4–4.0 mm diameter when dry, stem colour green, tinted slightly purple-black, or bronze, lateral branches of the flowering stem erect to decumbent, flowering stem leaves 0–4 pairs per stem, lowest pedicels from near base of flowering stem to near apex of flowering stem. Rosette of leaves absent to distinct from flowering stem leaves; leaves elliptic, orbicular, obovate or narrowly obovate, 16–65 × 7.5–21 mm wide, green, usually flat, sometimes V-shaped or channelled, slightly recurved or not; petiole indistinct, c.13 mm long, 2.8–8.0 mm wide at leaf base; leaf apex rounded. Flowering stem leaves narrowly ovate. Pedicels 1-2 per leaf axil, 7–50 mm long, 1.0–1.9 mm diameter. Flowers 11–60 per plant, 15–20 mm long, often female. Calyx 8.5–11.0 mm long, green or bronze, or green tinted purple-black at lobe apices, hairs at calyx–corolla fusion line absent; 4–7-lobed, lobes 5.0–9.0 mm long, 2.0–5.0 mm wide at base, plane but surface often rugose, apices acute, margins smooth or minutely denticulate, sinus hairs sparse to abundant. Corolla 4–6-lobed, 13.5–18.6 mm long, white; tube 3.0–5.6 mm long; lobes 10.2–14.5 × 5.2–9.5 mm wide, hairs below sinus present; nectary 0.6–1.9 mm from corolla base. Filaments 8.5–13.4 mm long from corolla base, 0.9–2.4 mm wide. Anthers 1.9–2.8 mm long, anther wall blue-black, mouth yellow or orange-red, extrorse at anthesis. Stigma colourless, purple, crimson, or blue. Ovules 29–76 per ovary, ovary yellow or purple-black in maturity. Capsule 15–17 mm long.