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Eucommiaceae Engler

杜仲科

Eucommiaceae
Eucommia ulmoides

Credit: Xiangying Wen

Habit: tree

Important diagnostics: with milky juice

Taxon group: dicots

Plant: dioecious

Leaf: position: alternate, spiral

Leaf: nature: simple

Leaf: venation: pinnate

Leaf: blade: margin: lobed, cleft, parted or divided, dentate

Leaf: stipules: absent

Flowers: inflorescence: solitary, fascicle, head

Flowers: sexuality: unisexual

Flowers: perianth number: 0

Flower: bract: present

Stamen: number: 3, 5, 6, 7, 8, 9, 10+

Stamen: anthers: basifixed, opening by longitudinal slits, 4+ -celled

Pistil: carpel: 2

Pistil: ovary: 1-loculed

Pistil: ovule: 2 per locule

Stigma: 2-cleft

Fruit: types and characters: a nut (incl. achene, caryopsis, schizocarp, pyrene, etc.), winged/samara

Fruit: seed: 1 seed

Seed: embryo: straight

Seed: endosperm: seeds with endosperm

Google Image Search: Link

Dictionary of The Families & Genera of Chinese Seed Plants: Link

Vascular Plant Type Catalog at NYBG: Link


 

Related Objects  
  • Eucommia ulmoides (Xiangying Wen)
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    A Checklist for the South China Botanical Garden, Guangzhou, Guangdong Province, P. R. China  
  • Eucommia ulmoides (Xiangying Wen)
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    Flora of China  
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  • PDF

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