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Project Name Data (Last Modified On 3/15/2013)

Flora Data (Last Modified On 3/15/2013)
Genus Hybanthus Jacq.
PlaceOfPublication Enum. Syst. P1. Ins. Carib. 2, 17, 1760.
Description Herbs, suffrutices, shrubs, or infrequently small trees. Leaves alternate, some- times opposite, petiollate or sessile, the stipules usually small and persistent, rarely caducous, the blade entire-margined or ? serrate or crenate. Flowers usually axillary and solitary or few-fasciculate, sometimes in axillary or terminal racemes, rarely in cymose inflorescences, zygomorphic; pedicels articulate; sepals free, sub- equal, without basal auricles, persistent; petals unequal, persistent or not; anterior petal smaller or mostly much larger than the others, unguiculate, the claw gibbous- saccate or shortly calcarate at the base; stamens with the anthers subsessile or on distinct filaments, these free or connate, the 2 anterior ones each bearing a nectari- ferous appendage dorsally, the appendages free or coherent; anthers free or coherent, with membranous connective appendages apically; ovary with 3 placentae, each placenta (2-) 3-oo-ovulate; style usually clavate, the apex slightly curved to un- cinate, the stigma terminal. Capsules loculicidally and elastically 3-valvate, the valves carinate; seeds globose or ovoid, the testa smooth or alveolate, the endo- sperm copious, the cotyledons flat.
Habit Herbs suffrutices
Habit shrubs trees
Distribution A genus of about 100 species distributed throughout the tropics, but most abundant in tropical America; three species at present reported from Panama.
Reference Schulze, G. K., Morphologisch-systematische Studien iuber die Gattung Hyban- thus mit besonderer Beriicksichtigung der sUdamerikanischen Arten. Engl. Bot. Jahrb. 67: 437-492, 1936. Morton, C. V., The genus Hybanthus in continental North America. Contr. U. S. Nat. Herb. 29: 74-82, 1944.
Key a. Shrubs, infrequently small trees; anterior petal up to 4 cm long; capsule up to 2 cm long; seeds 4-5 mm long ................................ ......... ...... 1. H. prunifolius aa. Herbs, annual or perennial; anterior petal up to 11 mm long; capsule up to 5 mm long; seeds 1.5-1.8 mm long. b. Annual herbs; leaves, at least the lower ones, opposite or subopposite; anterior petal 8-10 mm long; anterior filaments with subglobose glands dorsally; capsule up to 5 mm long; seeds ca 1.8 mm long .......... 2. H. attenuatus bb. Perennial herbs; leaves alternate; anterior petal up to 11 mm long; anterior filaments calcarate dorsally, the spur ca 0.5 mm long; capsule ca 4 mm long; seeds ca 1.5 mm long ......... 3. H. thiemei
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