All Floras      Advanced Search
FOC Vol. 4 Page 315 Login | eFloras Home | Help
FOC | Family List | FOC Vol. 4 | Fagaceae

2. Castanea Miller, Gard. Dict. Abr., ed. 4. 1: [278]. 1754.

栗属 li shu

Trees or rarely shrubs, deciduous. Bark furrowed. Axillary buds of most apical leaves in false-terminal buds, usually enclosed by 2 outer scales, imbricate within. Leaves spirally arranged but twisted and appearing 2-ranked; secondary veins ± parallel. Male inflorescences erect catkins; flowers in clusters of 1-3(-5) with each cluster subtended by a bract; perianth 6-parted; stamens 10-12(-20); rudimentary pistil pubescent. Female flowers borne on proximal part of androgynous inflorescences, rarely on a separate inflorescence, usually 3 and subtended by 1 symmetric cupule; ovary 6-9-loculed; styles 6-9; stigmas terminal, minutely punctiform. Cupules splitting into 2-4 valves; bracts spinelike. Nuts 1-3 per cupule. Germination hypogeal.

About 12 species: Asia, Europe, North America; four species (two endemic, one introduced) in China.

Most species are cultivated for edible nuts and durable wood.

1 Nut 1 per cupule, usually longer than wide   4 Castanea henryi
+ Nuts usually 2 or 3 per cupule, usually shorter than wide.   (2)
2 (1) Leaf blade abaxially often without scalelike glands but at least when young densely covered with tomentose or stellate hairs   1 Castanea mollissima
+ Leaf blade abaxially covered with scalelike glands.   (3)
3 (2) Leaf blade glabrous or abaxially sparsely pubescent along veins   2 Castanea seguinii
+ Leaf blade abaxially tomentose   3 Castanea crenata

Lower Taxa


Related Objects  
  • PDF File
  • PDF

    Flora of China @
    Browse by
    Advanced Search

    Flora of China Home




     |  eFlora Home |  People Search  |  Help  |  ActKey  |  Hu Cards  |  Glossary  |