Hypericum quartinianum A.Rich.

Shrub, 0.5–4.5 m. high.. Young stems indistinctly 4-angled, soon becoming woody and terete.. Leaves ovate-lanceolate, lanceolate, oblong-elliptic or oblanceolate, ranging from 16 x 6 mm. and 35 x 5 mm. to 72 x 27 mm. and 74 x 19 mm. (86 x 20 mm.), acute or subacute, broad and cordate or subcordate and clasping at the base, furnished with two pairs of secondary veins (often inconspicuous), running very obliquely from near the base, anastomosing with a few less oblique secondaries in the apical half (tertiary veins and reticulation not noticeable) and many longitudinal linear not translucent glands, often inconspicuous, embedded below the upper surface, and black submarginal glands.. Flowers in few-to many-flowered terminal corymbose cymes.. Sepals unequal, ovate to lanceolate, acute with black submarginal dots.. Petals 1.9–4.1 cm. long, bright yellow, with black marginal dots.. Stamens in 5 bundles of about 30 each.. Styles 5, united up to the apex.. Capsule 5-valved.. Leaves ovate-lanceolate, lanceolate, oblong-elliptic or oblanceolate, ranging from 16 × 6 mm. and 35 × 5 mm. to 72 × 27 mm. and 74 × 19 mm. (86 × 20 mm.), acute or subacute, broad and cordate or subcordate and clasping at the base, furnished with two pairs of secondary veins (often inconspicuous), running very obliquely from near the base, anastomosing with a few less oblique secondaries in the apical half (tertiary veins and reticulation not noticeable) and many longitudinal linear not translucent glands, often inconspicuous, embedded below the upper surface, and black submarginal glands.