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Amaranthaceae A. L. Jussieu

苋科

Amaranthaceae
Gomphrena globosa

Credit: Xiangying Wen

Habit: shrub, herb, liana

Important diagnostics: succulent

Taxon group: dicots

Stem: nodose

Leaf: position: opposite, alternate

Leaf: nature: simple

Leaf: blade: margin: entire, dentate

Leaf: stipules: absent

Flowers: inflorescence: solitary, raceme, spike, head, cyme, panicle, thyrse

Flowers: sexuality: bisexual, unisexual

Flowers: perianth number: 3, 4, 5

Flowers: petal number/corolla lobes: 3, 4, 5

Flower: bract: present

Flower: bractlet: present

Stamen: number: 1, 2, 3, 4, 5

Stamen: arrangement: antepetalous, same number as petals or sepals

Stamen: anthers: dorsifixed, introrse, 1-celled at anthesis, 2-celled

Stamen: filaments: free, connate into 1 tube or bundle

Pistil: ovary: 1-loculed

Pistil: ovule: 1 per locule

Pistil: pistil: ovules attached to the central axis, ovules attached to the base of the ovary

Ovary: position: superior

Stigma: 2-cleft

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

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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