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Nomenclature
Hypericum prattii Hemsl.
Nomenclature
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Genus: HypericumSection: sect. Ascyreia
- lectotype: K - Pratt - 381
- syntype: BM - Pratt - 381
- syntype: K - Faber - 424
- syntype: K - Henry - 8808
DIAGNOSTIC DESCRIPTION
Shrub 0-75-1 m tall, with branches spreading. Stems red, 4-lined and ancipitous when young, soon terete; internodes 10-55 mm long, shorter than leaves; bark reddish- brown. Leaves sessile; lamina 40-110(145) x 20-51(70) mm, broadly ovate to elliptic-ovate, acute to shortly acuminate, margin plane, base cordate-amplexicaul or (uppermost) rounded, rather paler beneath, not glaucous, chartaceous; venation: 4-5 pairs main laterals, branched, the midrib pinnately branched, with tertiary reticulum dense, conspicuous especially beneath; laminar glands punctiform, very small; ventral glands absent. Inflorescence 3-10(-24)-flowered, from apical node, loosely subcorymbiform; pedicels 3-10(25) mm long (-60 mm in fruit); bracts small, linear, caducous. Flowers 35-55 mm in diam., stellate; buds ovoid, obtuse to rounded. Sepals 9-17(-19) x 3-9(-11) mm, free, imbricate, subequal to unequal, erect in bud, ? in fruit, lanceolate to broadly ovate-cordate (foliaceous), rounded, with margin entire; midrib distinct, other veins not prominent; laminar glands c. 9-numerous, basally linear, distally punctiform. Petals golden yellow, not tinged red, spreading, 20-26 x 9-18 mm, 1-5-2-3 x sepals, obovate to oblanceolate, with apiculus lateral, rounded or obsolete; margin entire, eglandular. Stamen fascicles each with 30-40 stamens, longest 18-24 mm long, almost equalling petals; anthers yellow. Ovary 4-6 x 2.5-4.5 mm, ovoid; styles 11-19 mm long, c. 3-3.5 x ovary, united almost to the apices then spreading; stigmas small. Capsule and seeds not seen.