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(Last Modified On 1/30/2013)
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(Last Modified On 1/30/2013)
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Genus
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HELIOCARPUS L.
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PlaceOfPublication
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Sp. P1. 448. 1753,
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Reference
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Gen. P1. ed. 5, 205. 1754.
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Synonym
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Adenodiscus Turcz., Bull. Soc. Imp. Nat. Moscou 19(2): 504. 1846.
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Description
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Shrubs or trees, the pubescence of stellate hairs, the young branches usually pubescent, the older ones glabrate or nearly so. Leaves alternate, petiolate, stipulate, the stipules usually large, fugacious or infrequently persistent, the blade entire or 3-lobate, sometimes auriculate-appendaged at the base, the margins irregularly serrate, the basal serrations usually glandular, 3- to 7-palminerved. Inflorescences gynodioecious or hermaphrodite, usually terminal, infrequently axillary, large, paniculiform, the ultimate branchlets bearing clustered cymes. Flowers either hermaphrodite or pistillate, actinomorphous, pedicellate, 4- to 5-merous; calyx valvate, the sepals sometimes minutely appendiculate at the apex, usually pubescent without, glabrate within; petals 4-5 in the hermaphrodite flowers, absent in the pistillate ones, free, valvate, shorter than the sepals, gland- less; stamens 12-40 in the hermaphrodite flowers, staminodial or absent in the pistillate ones, inserted on an enlarged and very short gonophore, the filaments free; anthers 2-thecate, introrse, more or less medifixus, versatile, longitudinally dehiscent; ovary superior, sessile on the gonophore or borne on a gynophore, later- ally compressed, ciliate along the margins and with shorter pubescence on the faces, 2-celled (falsely 4-celled at the base), the cells 2-ovulate; style filiform, bifid, the stigma-lobes spreading, simple or slightly 9- to 3-lobulate. Fruit cap- sular, sessile or stipitate upon the accrescent gynophore, laterally compressed and bearing along the margins 2 rows of long plumose bristles, the faces pubescent or glabrate, indehiscent, 2-loculate, (l-)2(-3))-seeded; seeds small, pendulous, com- pressed-ovoid or compressed-pyriform; albumen carnose; embryo straight; coty- ledons plane, foliaceous.
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Habit
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Shrubs or trees
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Distribution
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A neotropical genus of ten species of which only one occurs in Panama.
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