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Piperaceae C. Agardh

胡椒科

Piperaceae
Piper jacquemontianum

Credit: Xiangying Wen

Habit: tree, shrub, herb, liana

Important diagnostics: aromatic oil

Taxon group: dicots

Plant: dioecious

Leaf: position: opposite, alternate, verticillate/whorled

Leaf: nature: simple

Leaf: venation: pinnate, palmate

Leaf: blade: margin: entire

Leaf: stipules: with stipular sheath

Flowers: inflorescence: raceme, spike, umbel

Flowers: sexuality: bisexual, unisexual, polygamous

Flowers: symmetry: actinomorphic

Flowers: perianth number: 0

Flower: bract: present

Flower: pedicel: absent

Stamen: number: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10+

Stamen: anthers: opening by longitudinal slits, 2-celled

Stamen: filaments: free

Pistil: style: absent, style 1, or styles more or less connate

Pistil: carpel: 1, 2, 3, 4, 5, 6+

Pistil: ovary: 1-loculed

Pistil: ovule: 1 per locule

Pistil: pistil: connate or basally connate

Ovary: position: superior

Stigma: indehiscent, 2-cleft, 3-cleft, 4+ -cleft

Fruit: types and characters: a nut (incl. achene, caryopsis, schizocarp, pyrene, etc.), fleshy (berry, drupe, pome)

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


 

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