Hypericum watanabei N. Robson

Perennial herb 0.23–0.33 m tall, erect to ascending from woody branching? base, with stems usually solitary, sometimes branched in middle. Stems narrowly 2-lined, usually soon terete, eglandular; internodes 20–25 mm, longer than leaves. Leaves sessile; lamina 25–40 × 7–18 mm, ovate- or oblong-lanceolate to elliptic, paler beneath, chartaceous; apex rounded to subacute, margin plane, base shallowly cordate-amplexicaul; venation: 3 pairs of main laterals from base and lower quarter to third of midrib; tertiary venation dense, partially visible above; laminar glands black and occasionally pale, punctiform, sparse; intramarginal glands black, dense. Inflorescencec. 16–20-flowered, from 2–3 nodes, rather dense, sometimes with branches from one node below, narrowly cylindric; pedicels 2–3 mm long; bracts reduced-foliar, bracteoles narrowly elliptic. Flowers c. 15–20 mm in diam., stellate; buds ellipsoid, rounded. Sepals 5, unequal, 3.3–3.6 × 1–1.5 mm, ovate or ovate-deltoid to oblong-lanceolate, subacute, entire; veins 3–5, occasionally branched and anastomosing; laminar glands pale, linear to striiform, proximal and black, striiform to punctiform, distal; marginal glands black, few, distal or irregular. Petals 5, bright yellow, not tinged red, 11–12 × 4 mm, 3–3.5 × sepals, narrowly elliptic, subacute, entire; laminar glands pale, linear; marginal glands black, 1–3, distal and/or apical. Stamens c. 30, ‘3’-fascicled, longest 9–10 mm, 0.8–0.9 × petals; anther gland black. Ovary 2.5–3 × 2 mm, ellipsoid; styles 3, free, basally incurved, 3–5 mm, c. 1.2–1.6 × ovary; stigmas narrow. Capsule and seeds not seen.