Triumfetta rhomboidea

Species: Triumfetta rhomboidea

English Name: Triumfetta

Chinese Name: 刺蒴麻

Family: Tiliaceae

Description:
Subshrubs or herbs. Branchlets gray-brown tomentose. Petiole 1-5 cm; lower leaf blades broadly ovate-orbicular, rhomboid, or broadly ovate, 3-lobed, 3-9.5 × 2-8.5 cm, abaxially stellate pilose, adaxially sparsely hairy, basal veins 3-5, 2 lateral ones reaching tip of lobes, base broadly cuneate or rounded, margin irregularly bluntly serrate, apex acute; upper leaf blades oblong-lanceolate, not lobed. Cymes 3-5 per axil; peduncle to 2 mm. Flower buds cylindrical, apex slightly wider, ca. 4 mm. Pedicel less than 1 mm. Sepals narrowly oblong, 4.5-5.5 mm, villous, appendaged at tip. Petals yellow, slightly shorter than sepals, hairy along margins. Stamens 10. Ovary spiny. Capsule globose, ca. 3 mm in diam., spiny, indehiscent; spines ca. 2 mm, gray-yellow puberulent, tip hooked. Seeds 2-6. Fl. summer-autumn. 2n = 32.

Photos used under a Creative Commons license

References:

– Wu ZY, Raven PH, Hong DY (eds) (2007). Flora of China, Volume 12: Hippocastanaceae through Theaceae. Science Press, Beijing, and Missouri Bot Garden Press, St. Louis

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