Hypericum styphelioides subsp. clarense (Nomenclature)
Shrub 0-15-0-6(-l) m tall. Leaves 10-18 x 2-5-5 mm, narrowly elliptic to narrowly oblong, thinly to thickly coriaceous, not or lightly glaucous, plane to concave or incurved, spreading or outcurving; apex acute; basal veins 5(7). Flowers 15-30 mm in diam. Sepals oblong to lanceolate, acute or obtuse, 5-veined; glands prominent. Petals 7-16 mm long. Styles 5, 3-5 mm long.
Savannahs, fields, and coastal sands, sometimes on weathered dolomite; lowland to montane.
Cuba. Las Villas, western Pinar del Rio and Isla de Pinos.
Subsp. clarense forms a cline from eastern Las Villas (where the flowers are larger and the leaves are broader and flat) via eastern Pinar del Rio to Isla de Pinos (where the flowers are smaller and the leaves narrow with an incurved margin and out curving towards the apex).