Hypericum triquetrifolium Turra

Perennial herb 0.15-0.55(-0.77) m tall, erect to decumbent, rooting at the base, the roots bearing shoots, with stems solitary or few, widely branched along most of length, usually forming pyramid.  Stems 2-lined, with black glands on the lines and sometimes elsewhere; internodes 10-30 mm, longer than leaves.  Leaves sessile; lamina 3-20 ´ 1-9 mm, triangular-lanceolate or rarely narrowly ovate to linear-oblong, concolorous, sometimes glaucous, chartaceous; apex acute, margin crisped-undulate, base cordate-amplexicaul; venation: 2-3(-4) pairs of main laterals from  base or near base of midrib, tertiary reticulation usually obsolete;  laminar glands pale, ± dense, very small; intramarginal glands black, spaced.  Inflorescence 1-7(-11)-flowered, from 1-2 nodes, with flowering branches ± horizontally spreading from all other nodes, sometimes excepting 1-6 immediately beneath apical one, the whole broadly pyramidal; pedicels 1-5 mm; bracts and bracteoles 1.5-2.5 mm long, lanceolate, entire or rarely apically denticulate.  Flowers 8-12(-14) mm in diam., stellate; buds broadly ellipsoid to globose, rounded.  Sepals 5, subequal to unequal, 1-2.2(-3) ´ 0.5-1 mm, oblong to ovate-oblong or lanceolate, acute to rounded-apiculate or rounded, entire or eroded-denticulate, erect in bud and fruit; veins 3, unbranched; laminar glands pale, 2, linear, distally interrupted; intramarginal glands absent.  Petals 5, bright? yellow, not red-tinged dorsally, 4.5-7 ´ 1-1.5 mm, c. 3.5-5 ´ sepals, linear-oblanceolate, entire; laminar glands pale, striiform and punctiform, and occasionally black, solitary; marginal glands absent or rarely black, few.  Stamens 15-40, '3'-fascicled, longest 2.5-5 mm, c. 0.6-0.8 ´ petals; anther gland black.  Ovary 3-locular, 1.5-2 ´ 0.5-1 mm, ellipsoid to broadly ovoid; styles 3, free, 2.5-3 mm, 1.7-3 ´ ovary, spreading; stigmas narrow.   Capsule 3-5 ´ 2-3.5 mm, 2.5-3 ´ sepals, ovoid; valves with longitudinal linear vittae and occasionally a few lateral vesicles.  Seeds darkish brown, 1.5-1.8 mm, subcylindric, not carinate or appendiculate; testa finely foveolate to scalariform-foveolate.