foc
《中国植物志》英文修订版
Flora of China
  FOC Vol.14 (2005)              | Family List  Toricelliaceae  PDF     |  eFloras.org Link Font:+ Big | - Small
   6. Toricelliaceae  
鞘柄木科   qiao bing mu ke
  
Authors:Xiang Qiuyun (向秋云 Jenny Xiang) ; David E. Boufford

  

Trees or shrubs, dioecious. Branches spreading, thick, with conspicuous leaf scars; pith soft, white, wide in relation to twig. Leaves alternate, petiolate, estipulate, simple; petiole elongate, expanding at base, sheathing; leaf blade broadly cordate to nearly orbicular, papery, unlobed or slightly lobed, lobes 5–7(–9), glabrous or pubescent, trichomes multicellular, glandular, veins palmate, 5–7(–9), margin entire or serrate. Inflorescences racemiform panicles, terminal, pendulous. Flowers unisexual, shortly pedicellate, bracteolate. Staminate flowers: calyx 5-dentate, teeth small, unequal; petals 5, narrowly elliptic, apex inflexed; stamens 5, filaments short, anthers oblong, locules 2, longitudinally dehiscent; vestigial styles 1–3, minute. Carpellate flowers: calyx lobes 3–5, unequal, acutely triangular; petals and vestigial stamens absent; ovary inferior, locules 3 or 4, often only 1 locule with a pendulous ovule; styles 3, persistent, 3–4 mm, thick, apex often 2-lobed; stigmas 3, often curved and extending downward. Fruit drupelike, purple red or black, ovoid or obliquely ovoid, crowned by persistent calyx and styles; stone of fruit with a triangular germination valve. Seeds linear, curved; embryo at apex of fleshy endosperm.

One genus and two species: Bhutan, China, N India, Nepal, Sikkim; two species (one endemic) in China.

Hu Wenkuang. 1990. Toricellia. In: Fang Wenpei & Hu Wenkuang, eds., Fl. Reipubl. Popularis Sin. 56: 35–38.

  
   Lower Taxon
  • Toricellia  de Candolle  鞘柄木属