(Last Modified On 9/17/2013)
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(Last Modified On 9/17/2013)
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Genus
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Randia L.
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PlaceOfPublication
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Sp. P1. 1192. 1753
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Note
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TYPE: R. mitis L. (=R. aculeata L.).
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Synonym
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Basanacantha Hook. f. in Benth. & Hook. f., Gen. P1. 2: 82. 1873.
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Description
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Trees or shrubs, often with axillary or extra axillary spines; stipules imbricate and persistent at the apex of the branchlets, free or occasionally connate. Inflorescences axillary or lateral, corymbose, the flowers occasionally solitary. Flow- ers dioecious or bisexual, small to large, the hypanthium ovoid or obovoid, often truncate, the calycine cup tubular, cup shaped or campanulate, truncate, toothed or lobed, the lobes often foliaceous; corolla campanulate, funnelform or salver shaped, the tube glabrous or hairy within, the lobes (4-)5, occasionally more, contorted in bud; anthers usually 5, dorsifixed, included or exserted, inserted in the throat or at the mouth, the style clavate, entire or 2-lobed, the ovary usually 2-celled; seeds usually numerous, immersed in a pulp, compressed.
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Habit
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Trees or shrubs
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Distribution
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occurs throughout the tropical areas of the world.
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Reference
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Standley, P. 1934. Rubiales 64. Randia, North American Flora 32(3): 160-180. Steyermark, J. 1972. Randia in The Botany of the Guayana Highland-Part IX. Mem. New York Bot. Gard. 23: 325-343.
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Key
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a. Plants anisophyllous, leaf pairs unequal ...... 4. R. gentryi aa. Plants not anisophyllous, leaf pairs equal. b. Plants not cauliflorous. c. Plants armed. d. Fruits at maturity 5-9 cm long. e. Fruits oblong, the persistent calycine lobes to 3.5 cm long; spines curved ...... 9. R. pepoformnis ee. Fruits rotund, the persistent calycine lobes less than 2 cm long; spines straight. f. Leaves densely pilose beneath; petioles ca. 4 cm long; fruits velvety puberulent ...... 6. R. lasiantha ff. Leaves at most moderately pilose beneath; petioles to 2 cm long; fruits glabrous ...... 7. R. megalocarpa dd. Fruits at maturity less than 5 cm long. g. Plants with terminal portion of stem unbranched or with very short branches; flowers less than 1 cm long ...... 5. R. karsteni gg. Plants with terminal portion of stem conspicuously branched h. Flowers ca. 2 cm long; fruits 1.0-1.2 cm in diam. ...... 1. R . aculeata fo. aculeata hh. Flowers 3.0-3.8 cm long; fruits 3.2-5.0 cm long ...... 2. R. artnata cc. Plants unarmed. i. Flowers ca. 2 cm long ...... 1. R. aculeata fo. mitis ii. Flowers 12-14(-20) cm long ...... 3. R. formosa bb. Plants cauliflorous ...... 8. R. mira
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