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Hansen & Rahn | Family List

Eriocaulaceae Palisot de Beauvois ex Desvaux

habit
woody plants, herbaceous plants

important diagnostics
aquatic plants, leaves floating or submerged

hairs
stellate

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

leaf: position
alternate, distichous, ensiform

leaf: nature
not compound

leaf: venation
pinnate or hardly visible in leaves or leaflets., invisible or leaves 1-nerved, longitudinal in leaves or leaflets

margin
with entire margin

leaf: stipules
absent

inflorescence
head, compound, sympodial or monopodial

flower: sexuality
unisexual

flower: symmetry
actinomorphic, zygomorphic or irregular

flower: receptacle
small

flower: disc
absent

flower: perianth number
0, 2, 3, 4, 6

flower: perianth nature
perianth of similar segments, perianth of calyx and corolla

flower: sepal number
0, 2, 3

flower: sepal position
all free from one another, connate

flower: sepal nature
sepals imbricate or contorted, sepals valvate

flower: petal number
0, 2, 3

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

flower: petal nature
petals valvate

stamen: number
1, 2, 3, 4, 6

stamen: anthers
dorsifixed or ventrifixed, basifixed, introrse, opening by longitudinal slits, 1-locular at anthesis

stamen: filaments
free from the corolla, inserted on the corolla, not connate

pistil: gynophore
present

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

pistil: carpel
2, 3

pistil: ovary
2-locular, 3-locular

pistil: ovule
1 in each loculus

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

fruit: type
a capsule

fruit: seed
2 seeds, 3+ seeds

seed: embryo
straight

seed: endosperm
seeds with endosperm


 

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