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Hansen & Rahn | Family List

Elatinaceae Dumortier

habit
woody plants, herbaceous plants

hairs
glandular

distribution
African, Asian, Australian and Oceanian, European, North American, South American

leaf: position
opposite or verticillate

leaf: nature
not compound

leaf: venation
pinnate or hardly visible in leaves or leaflets.

margin
with entire margin, dentate

leaf: stipules
present

inflorescence
solitary, simple, sympodial

flower: sexuality
bisexual

flower: symmetry
actinomorphic

flower: receptacle
small

flower: disc
absent

flower: perianth number
4, 6, 7+

flower: perianth nature
perianth of calyx and corolla

flower: sepal number
2, 3, 4, 5

flower: sepal position
all free from one another, connate

flower: sepal nature
sepals imbricate or contorted

flower: petal number
2, 3, 4, 5

flower: petal position
all free from one another, petals imbricate

stamen: number
2, 3, 6, 8, 10

stamen: anthers
dorsifixed or ventrifixed, introrse, opening by longitudinal slits

stamen: filaments
free from the corolla, not connate

pistil: style
styles more than 1, free

pistil: carpel
2, 3, 4, 5

pistil: ovary
2-locular, 3-locular, 4-locular, 5-locular

pistil: ovule
3+ in each loculus

pistil
ovules axile, carpels connate, ovules attached to the central axis or ventrally in apocarpae

fruit: type
a capsule

fruit: seed
3+ seeds

seed: embryo
straight, curved

seed: endosperm
seeds without endosperm


 

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