Hirtella juruensis Pilg.
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Authority
Prance, Ghillean T. 1972. Chrysobalanaceae. Fl. Neotrop. Monogr. 9: 1-410. (Published by NYBG Press)
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Family
Chrysobalanaceae
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Scientific Name
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Type
Type. Hoehne 1809, Brazil, Mato Grosso, fl (holotype, B, lost; lectotype, R); 1816 fl (B lost); 4909 (B lost).
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Description
Description - Tree, the young branches tomentellous, Leaves oblong, thin-corriaceous, 19.5-25.0 cm long, 5.8-7.5 cm broad, broadest nearer to apex and tapering to base from above middle, acuminate at apex, with acumen 6.0-10.0 mm long, subcuneate at base, sparsely appressed-pubescent on venation beneath, with palisade glands at base only; primary veins 13-15 pairs, plane to slightly impressed above, prominent beneath; midrib prominulous above, prominent beneath; petioles 2.0 mm long, terete, tomentellous, eglandular. Stipules linear, persistent, puberulous, eglandular. Inflorescences terminal racemes 14.0-18.0 cm long, the rachis sparsely puberulous. Bracts and bracteoles 1.0-2.5 mm long, oblong to oblong-lanceolate, puberulous, persistent, with two large sessile glands towards base. Flowers 4.0-5.0 mm long. Receptacle campanulate, puberulous on exterior, glabrous within except at throat; pedicels 1.0-1.5 mm long, eglandular. Calyx lobes acute, sparsely puberulous on exterior, gray-puberulous within. Petals 5, glabrous. Stamens 5, unilateral, the filaments far exceeding calyx lobes, glabrous. Style hirsute up to one third its length. Ovary inserted at mouth of receptacle, pilose. Fruit not seen.
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Discussion
Although most of the type material of H. juruensis was lost in Berlin, the single sheet examined suggests close affinity to H. racemosa. It differs from H. racemosa in the large leaves which usually taper from above the mid point, the greater number of primary veins, and the slightly bullate mature leaves.
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Distribution
Known only from the type gathering.
Brazil South America|