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Nomenclature
Hypericum epigeium R. Keller
Nomenclature
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Genus: HypericumSection: sect. Graveolentia
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Synonyms: 1
- isotype: GH - Donnell Smith - 2147
- isotype: NY - Donnell Smith - 2147
- isotype: US - Donnell Smith - 2147
- holotype: G? - Donnell Smith - 2147
- isotype: K - Donnell Smith - 2147
- isotype: M - Donnell Smith - 2147
DIAGNOSTIC DESCRIPTION
Wiry perennial herb or rarely suffrutescent, up to c. 0.15 m tall, erect to ascending from procumbent to prostrate rooting base, sometimes branched above, ‘often forming large colonies’. Stems 4-lined and ancipitous above, 2-lined then terete below, turning vinous red, eglandular; internodes 3–11 mm, shorter than to exceeding leaves. Leaves sessile; lamina 5–16(–20) × 2–6.5 (–10) mm, elliptic to oblong-lanceolate, somewhat paler beneath, chartaceous; apex obtuse to rounded, margin plane, base broadly cuneate to angustate; venation: 3–4 pairs of main laterals from lower third to two-fifths of midrib, tertiary reticulation dense, impressed above; laminar glands pale, dense, varying in size; intramarginal glands black, dense. Inflorescence 1-flowered; pedicel 1–3 mm; upper leaf pair reduced-foliose to bracteose. Flowers 10–15 mm in diam., stellate; buds ellipsoid, acute. Sepals 5, subequal, free, 3–5.5 × 1–1.7 mm, lanceolate to oblong-lanceolate, acute, entire; veins 5–7, outer or all branching; laminar glands pale, all linear or a few punctiform; marginal glands black, numerous to absent. Petals 5, yellow, 8–9 × 2.5–3 mm, 2.5–3 × sepals, oblong-oblanceolate, rounded; laminar glands pale, linear to striiform, sometimes also punctiform, pale (distal) and black (subapical); marginal glands black, sessile, few or absent? Stamens c. 20, ‘3’-fascicled, longest 5–7 mm, c. 0.6–0.75 × petals; anther gland black. Ovary 2–2.5 × 1.5 mm, ellipsoid; styles 3, 2.5–3.5 mm, 1–1.5 × ovary, narrowly divergent; stigmas narrow or narrowly capitate. Capsule c. 5 × 3 mm, ovoid, longitudinally vittate. Seeds not seen.