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Published In: Species Plantarum 1: 444. 1753. (1 May 1753) (Sp. Pl.) Name publication detailView in BotanicusView in Biodiversity Heritage Library


Project Name Data (Last Modified On 6/2/2011)
Acceptance : Accepted
Project Data     (Last Modified On 6/3/2011)
General/Distribution: About 150 species; widely distributed in the tropics and subtropics.


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Stellately hairy shrubs or undershrubs, occasionally annual or perennial herbs. Leaves alternate, petiolate, mostly palmately 3-5-lobed or unlobed, serrate, the basal serrations mostly glandular; stipules persistent or rarely fugaceous. Inflorescence axillary or antiphyllous, dense fascicles of 3-flowered dichasia. Flowers bisexual or female, pedicellate, pentamerous. Sepals 5, free, usually dorsally hooded, awned at the apex, valvate. Petals 5, rarely absent, mostly ciliate and pitted glandular at the base, imbricate. Stamens 5-many, free, inserted on the glandular androphore, anthers dehiscing lengthwise. Carpels 2-5, syncarpous; ovary ovoid-ellipsoid or orbicular, usually with uncinate hairs, 2-5-loculed, each locule 2-ovuled; style filiform, stigma 2-5-lobed. Capsule indehiscent or loculicidally dehiscent, subglobose-globose, covered with uncinate spines, 2-5-loculed, locules 1 or 2-seeded. Seeds ovoid-obovoid, endospermous.

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1 Stem hairy all-round. Flowers yellow. Capsule tomentose or pubescent with hairy or glabrous spines (2)
+ Stem glabrous except for a line of hairs on purplish side of internode, alternating at each node. Flowers orange. Capsule and spines glabrous Triumfetta annua
2 (1) Annual or perennial herbs. Leaves rhomboid-ovate and palmately 3-lobed or unlobed and ovate-lanceolate. petals obtuse. Capsule densely tomentose with glabrous Or hairy spines (3)
+ Shrubs or undershrubs. Leaves broadly obovate- orbicular. Petals emarginate. capsule and spines pubescent Triumfetta rotundifolia
3 (2) Leaves palmately 3-lobed, all rhomboid-ovate or basal rhomboid-ovate and terminal ovate-lanceolate and unlobed. Capsule 4.5-6 mm in diameter including 1.5-2 mm long, glabrous or dorsally hispid spines (4)
+ Leaves always unlobed, all ovate-lanceolate or lanceolate. or lanceolate. Capsule 1.2-1.4 cm in diameter including 6-8 mm long spines with patent hairs all-round Triumfetta pilosa
4 (3) Stamens mostly 5, rarely 10. Spines on the capsule with a line of spreading hairs on the dorsal side Triumfetta pentandra
+ Stamens mostly 15, rarely fewer but not less than 10. Spines on the capsule glabrous Triumfetta rhomboidea
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