Hypericum iwatelittorale H.Koidz.

Perennial herb 0.25-0.32 m tall, erect, with stems solitary or few and caespitose, branched above.  Stems 2-lined, with black punctiform glands on lines; internodes exceeding to equalling leaves.  Leaves sessile (main stem) to c. 0.5 mm petiolate (laterals); lamina (8-)12-14 ´ 5-8 mm, ovate to elliptic-oblong (main stem) or elliptic to oblanceolate (laterals), paler beneath, chartaceous; apex rounded to rounded-obtuse, margin entire, base cuneate to rounded-amplexicaul (upper); venation: 3-(4-) pairs of laterals from lower quarter to fifth of midrib; laminar glands pale, punctiform, dense; intramarginal glands all black or some reddish, dense to spaced.  Inflorescence (1)3-c.30-flowered from up to 3 nodes, with flowering branches from up to 4 nodes below, corymbiform to cylindric and then dense; pedicels 0.8-1 mm; bracts small, lanceolate, entire.  Flowers 9-10 mm in diam., stellate?; buds ellipsoid, subacute.  Sepals 5, subequal, 3-4 ´1-2 mm, ovate-oblong to lanceolate, acute to subacuminate, entire; veins 5, outer pair(s) branched; laminar glands pale, linear-striiform to punctiform; intramarginal glands black, few or absent.  Petals 5, bright yellow, not tinged red in bud, 6-9 ´ c. 2-3 mm, obovate-oblong, distally subcrenate; laminar glands pale, linear to punctiform, and sometimes 1-2 black distal, striiform-punctiform; marginal glands black, very few or absent.  Stamens c. 50?, '3'-fascicled, longest  c. 7 mm, c. 0.8 ´ petals; anther gland black.  Ovary 3-locular; styles 3, free, 3.5-4 mm, ? ´ ovary, spreading-outcurved; stigmas narrow.  Capsule 5-8 ´ 4-5 mm, c. 2 ´ sepals, ovoid-conic to ovoid; valves longitudinally vittate.  Seeds dark brown, 1.2 mm long, cylindric; testa linear-foveolate.