Hypericum nuporoense N. Robson

Perennial herb c. 0.25–0.35 m tall, erect from woody rootstock, with stems several, sometimes rooting at the base, unbranched below inflorescence. Stems shallowly 2-lined at first, soon terete, eglandular; internodes 15–20 mm, shorter than leaves. Leaves sessile; lamina 25–40 × 10–20 mm, all triangular-lanceolate, slightly paler beneath, chartaceous; apex rounded to subobtuse, margin plane, base cordate-amplexicaul; venation: 3 pairs of main laterals from lower quarter to 2/5 of midrib; tertiary reticulation dense, scarcely visible above; laminar glands black, punctiform, rather dense to very sparse; intramarginal glands black, dense. Inflorescence 7–30-flowered, from 3 nodes, sometimes with branches from one node below, the whole broadly pyramidal with branching angle relatively broad (c. 30–35°), dense; pedicels 2–3.5 mm; bracts reduced-foliar, bracteoles distinct, narrowly elliptic to narrowly lanceolate. Flowers c. 15 mm in diam., stellate?; buds not seen. Sepals 5, subequal, 2.5–4 × 1–1.5 mm, oblong-lanceolate to ovate-lanceolate, rounded to subacute, entire; veins 5, branching and reticulating; laminar glands black, punctiform to striiform, proximally dense, distally sparser; marginal glands black, few, irregular or only 1–2. Petals 5, bright? yellow, not tinged red?, c. 7–8 mm long, c. 2–2.5 × sepals, open flower not seen; laminar glands black, linear to striiform; marginal glands absent? Stamens c. 30?, slightly shorter than petals; anther gland black. Ovary not seen; styles 3, free, spreading?, 5 mm; stigmas narrow. Capsule (immature) 7 × 4 mm, ovoid. Seeds not seen.