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Hansen & Rahn | Family List

Cucurbitaceae A. L. Jussieu

habit
woody plants, herbaceous plants

important diagnostics
spiny stems or leaves, tendrils present, cystoliths present

hairs
glandular

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

leaf: position
alternate

leaf: nature
not compound, compound

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

margin
with entire margin, lobed or divided, dentate

leaf: stipules
absent

inflorescence
solitary, raceme, spike, fascicle, simple, sympodial, compound, sympodial or monopodial

flower: sexuality
bisexual, unisexual

flower: symmetry
actinomorphic, zygomorphic or irregular

flower: receptacle
enlarged, completely united with the ovary, totally or partially covering it, enlarged, totally or partially free from the ovary

flower: disc
absent, present

flower: perianth number
7+

flower: perianth nature
perianth of calyx and corolla

flower: sepal number
4, 5

flower: sepal position
all free from one another

flower: sepal nature
sepals imbricate or contorted

flower: petal number
3, 5

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

flower: petal nature
petals valvate

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

stamen: anthers
basifixed, introrse, extrorse, opening by longitudinal slits, 1-locular at anthesis

stamen: filaments
free from the corolla, not connate, connate into 1 tube or bundle

stamen: other characters
staminodia present

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

pistil: carpel
3, 5

pistil: ovary
1-locular, 3-locular

pistil: ovule
1 in each loculus, 2 in each loculus, 3+ in each loculus

pistil
ovules parietal, carpels connate, ovules attached to the apex of the ovary

fruit: type
a capsule, fleshy

fruit: seed
1 seed, 2 seeds, 3+ seeds

seed: embryo
straight

seed: endosperm
seeds without endosperm


 

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