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Styracaceae Dumortier

安息香科

Styracaceae
Halesia sp.

Credit: Xiangying Wen

Habit: tree, shrub

Hairs: stellate

Taxon group: dicots

Plant: polygamodioecious

Leaf: position: alternate

Leaf: nature: simple

Leaf: venation: pinnate

Leaf: blade: margin: entire, dentate

Leaf: stipules: absent

Flowers: inflorescence: solitary, raceme, fascicle, cyme, panicle

Flowers: sexuality: bisexual

Flowers: symmetry: actinomorphic

Flowers: sepal number/calyx lobes: 4, 5

Flowers: sepal position: connate or basally connate

Flowers: sepal/calyx nature: imbricate, valvate, tubular, campanulate, cupular

Flowers: petal number/corolla lobes: 5

Flowers: petal position: connate or basally connate

Flower: bractlet: absent, present

Stamen: arrangement: same number as petals or sepals, twice or more number as petals or sepals

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

Stamen: filaments: connate into 1 tube or bundle

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

Pistil: ovary: 1-loculed, 3-loculed, 4-loculed, 5-loculed

Pistil: ovule: 1 per locule, 2 per locule, 3 per locule, 4+ per locule

Pistil: pistil: ovules parietal placentation, ovules axillary placentation

Ovary: position: superior, half-inferior, inferior

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

Fruit: types and characters: a capsule (incl. pod, follicle, etc.), fleshy (berry, drupe, pome), winged/samara

Fruit: seed: winged

Seed: embryo: straight, curved

Seed: cotyledons: flat

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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