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(Last Modified On 10/17/2013)
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(Last Modified On 10/17/2013)
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Genus
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Dystovomita (Engler) D'Arcy
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PlaceOfPublication
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Ann. Missouri Bot. Gard. 65: 694. 1978.
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Note
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Tovomita sect. II Dystovomita Engler, Bot. Jahrb. 58 Beibl. 130: 8. 1923. TYPE: Tovomita pittieri Engl. Dystovomita pittieri (Engl.) D'Arcy.
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Description
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Glabrous dioecious trees. Leaves opposite, entire, the costa prominent, the lateral veins slightly arcuate, evenly spaced, the minor venation inconspicuous; petioles stout; axillary structures drying hard, dark, conspicuous. Inflorescences lateral on the stems or terminal, sessile, fascicled, cymose panicles; minute bracts and bracteoles present. Flower buds globose or ovoid, sepals 2-4, the outer pair sometimes reduced to minute appressed scales (?bracts), the inner pair imbricate or fused in bud, opposite, decussate; petals 4, imbricate and overtopping the bud; stamens numerous, the filaments free or appearing as if in fascicles, anthers terminal, 2-lobed along the sides of the filament apex, 4-loculed; ovary 3-5-locu- lar, the styles short or wanting, reflexed over the ovary, the stigmas ligulate or spathulate, adaxial and hence facing outwards from the ovary, the ovules 1-2 per locule, pendant, the axil affixed to the upper 3/4 of the placental column, the second ovule when present partly superposed. Fruit a small apically dehiscent berry, outer bracts persistent but other perianth parts deciduous; seeds faboid, striate, exarillate with a convex, discoid, hard caruncle.
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Habit
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trees
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Note
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Dystovomita, with 3 species of trees in tropical America, is distinct in its basifixed pendent ovules, often partly fused perianth, and the conspicuous struc- tures axillary to the leaves.
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