Jovellana sinclairii

Detailed description

Herbaceous, leafy, ± glandular-pubescent, perennial, forming rounded shrubs up to 1.0 × 1.8 m. Stems up to 0.8 m long, green or red, laxly branched, slender, initially sprawling, otherwise ascendant, bases becoming woody with age; upper branches numerous, slender, finely striate, often bearing minute leaflets in axils. Leaves opposite, somewhat membranous; petiole up to 8.2 × 2.3 mm, fleshy, adaxially channeled, bases sometimes pulvinate; lamina 20-80 × 20-50 mm, dark green to yellow-green above, light green or pinkish below, narrow-ovate, broad-ovate, ovate-oblong to ovate elliptic, apiculate, margins coarsely 2-3 crenate-serrate, sometimes lobed, bases broadly cuneate, cordate to weakly oblique, sometimes cordate-truncate. Inflorescences numerous, slender, terminal, paniculate, usually trichotomously branched, up to 300 mm. Pedicels slender, up to 30 mm. Calyx subcampanulate, c.2 mm, deeply cut into ovate to deltoid lobes. Corolla white to yellow-flushed, spotted purple, puberulous, divided c.one-third to half-way into 2 nearly equal concave lips 4.8-10.2 mm long. Anthers suborbicular, filaments short. Capsule obovoid, 3.8-4.2 mm long. Seed 0.35-0.60 mm, dark red-brown, ± elliptic to oblong, rarely curved.