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Oleaceae Hoffmannsegg & Link


Forsythia sp.

Credit: Xiangying Wen

Habit: tree, shrub, liana

Taxon group: dicots

Plant: monoecious, dioecious, polygamodioecious

Leaf: position: opposite, alternate, verticillate/whorled

Leaf: nature: simple, pinnately compound, ternately compound (3 leaflets)

Leaf: venation: pinnate, palmate

Leaf: blade: margin: dentate

Leaf: stipules: absent

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

Flowers: sexuality: bisexual, unisexual, polygamous

Flowers: symmetry: actinomorphic

Flowers: sepal number/calyx lobes: 0, 4

Flowers: petal number/corolla lobes: 0, 4

Flowers: petal position: all free from one another

Stamen: number: 2, 3, 4, 5

Stamen: anthers: opening by longitudinal slits

Stamen: filaments: inserted on the corolla

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

Pistil: ovary: 2-loculed

Pistil: ovule: 2 per locule

Ovary: position: superior

Stigma: 2-cleft

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

Seed: embryo: straight

Seed: endosperm: seeds without 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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