Hypericum olivieri (Spach) Boiss.

Perennial herb, 0.1–0.67 m tall, glabrous, erect, branching at base and often from all or most nodes, sterile shoots not distinct. Stems with ± numerous amber or black gland dots, not prominent; internodes 6–25 mm long, longer to shorter than leaves. Leaves sessile, 8–30 × 0.5–1.5 mm, spreading, ± glaucous; lamina linear, apex rounded, margin revolute, base cuneate; 1-veined; laminar glands pale, numerous; marginal glands not visible. Inflorescence 10–∞-flowered, narrowly pyramidal to cylindric, 15–170 mm long, with lateral cymules 1–10(–13)-flowered, sometimes with up to 6 branches below; bracts and bracteoles linear, entire. Flowers 10– 15 mm in diam., with petals becoming deflexed; buds ellipsoid, obtuse to rounded. Sepals equal, free, 1–2.5 × 0.7–1.5 mm, elliptic to oblong or spathulate, acute; veins 3, becoming prominent; margin regularly glandular-denticulate to -fimbriate or with sessile glands, glands black, obconic to ellipsoid, apex eglandular; laminar glands pale, in 2 or 4 continuous or interrupted lines. Petals bright? yellow, not red-tinged, 4–7 × 2–3.5 mm, obovate, long-unguiculate, rounded to apiculate, margin black-glandular-ciliate towards apex; laminar glands pale, distal, punctiform. Stamens 35–40, longest 5–7 mm, about equalling petals; filaments yellow. Ovary c. 1 × 1 mm, globose; styles 2-3 mm, 2-3 × ovary. Capsule 2–3 × 3–4 mm, depressed-globose or deeply sulcate; vittae prominent; valves dehiscing as few- to 1-seeded cocci. Seeds not seen.