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Nomenclature
Hypericum balfourii N. Robson
Nomenclature
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Genus: HypericumSection: sect. Campylosporus
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Synonyms: 7
- isotype: BM - I. B. Balfour - 606
- isotype: A - I. B. Balfour - 606
- isotype: E - I. B. Balfour - 606
- holotype: K - I. B. Balfour - 606
DIAGNOSTIC DESCRIPTION
Shrub or tree 0-9-2-1 m tall, with branches spreading or subpendulous (always ?). Stems red when young, soon terete; internodes 4-11 mm long, shorter than leaves; bark grey. Leaves sessile; lamina 17-40 x 4-12 mm, ± narrowly elliptic or rarely oblanceolate, acute, margin plane, base narrowly cuneate, not or scarcely reflexed-auriculate, concolorous, ± glaucous, subcoriaceous, lower ones soon deciduous; venation: (3)5(7) basal or lower lateral unbranched veins (i.e. midrib ± 1-3 pairs), the midrib branched pinnately above, with numerous secondary veins and some- times a lax tertiary reticulum; laminar glands in secondary venous system, streaks and lines; marginal glands pale, dense. Inflorescence l-3(-10)-flowered, from 1-2 nodes, if from 2 nodes then internode not condensed; pedicels 2-6 mm long; bracts intermediate. Flowers 40-75 mm in diam., stellate; buds ovoid-conic, acute to subacute. Sepals 6-8 x 3.2-5.5 mm, imbricate, unequal, ovate to oblong, acute to broadly obtuse, margin entire to distally eglandular-denticulate, midrib obscure; laminar glands linear, numerous; submarginal and marginal glands absent. Petals golden yellow, unmarked or (?) flushed orange outside, deciduous, spreading, 20-35 x 10-20 mm, broadly to narrowly obovate, with apiculus broad, rounded; margin entire, eglandular; laminar glands linear, interrupted distally. Stamen fascicles tardily deciduous, each with 45-70(-80) stamens, longest 8-17 mm long, c. 0.-3 x petals, with filaments united for c. 0-5 mm. Ovary 5-6.5 x 3.5-4 mm, ovoid; styles 5-8 mm long, 1-1.2 x ovary, 0.5-0.9 coherent (at least in flower), erect or spreading distally; stigmas capitate or subcapitate. Capsule 13-15 x 7-9 mm, ovoid to narrowly ovoid-pyramidal. Seeds yellowish-brown, c. 1-5 mm long, narrowly cylindric, not winged, slightly carinate, finely linear-foveolate.