Hypericum sewense
Content
Description
Erect shrub, 0.6 m, branches divaricate-ascending;
branchlets 4-lined, flattened when young, soon 2-lined, eventually terete.
Leaves sessile, 8-12 by 2-4 mm, lanceolate to narrowly elliptic, apex rounded, base narrowly cuneate-amplexicaul, concolorous, plane, spreading or ascending;
c. 5 main lateral veins, mostly from basal loops, ± parallel, branched above on outer side only, without marked reticulate venation;
laminar glands pale, linear near the base, sometimes with rows of streaks or dots on either side, becoming punctate towards apex and margin;
intramarginal glands pale and black.
Inflorescence 1-flowered, without flowering shoots in uppermost axils or rarely with 1, branching profusely farther down;
pedicels shorter than uppermost leaves, 4-8 mm in fruit.
Flowers 2.2-2.8 cm ø, ± plane;
buds narrowly ovoid, subacute.
Sepals 5-7 by 1½-2½ mm, free, imbricate, lanceolate, rounded to subacute, entire;
laminar glands pale, mostly linear;
submarginal glands pale or occasionally black.
Petals bright yellow, 10-14 by 5-6½ mm, obovate, entire, persistent;
apiculus almost absent;
submarginal glands absent or 1-3, sessile, black, on or near apiculus.
laminar glands pale, linear, sometimes interrupted distally;
Stamens obscurely 3-fascicled, c. 20, longest 8-9 mm, c. ⅔ as long as the petals, persistent;
anthers bright yellow, gland black.
Ovary 2½-3 mm, ovoid;
styles 3, 2½-3 mm, equalling ovary, divergent;
stigmas scarcely capitate;
placentas 3, parietal.
Capsule 7-9 by 4-5 mm, ovoid, longitudinally vittate.
Seeds yellow-brown, c. 0.8 mm, cylindric, scarcely carinate, densely linear-foveolate.