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Hansen & Rahn | Family List

Crassulaceae Candolle

habit
herbaceous plants

important diagnostics
aquatic plants, leaves floating or submerged

hairs
glandular, stellate, stellate, vescicular or bladder-like

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

leaf: position
opposite or verticillate, alternate

leaf: nature
not compound, compound, pinnately compound

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

margin
with entire margin, lobed or divided, dentate

leaf: epidermis
epidermis of leaf papillose

leaf: glands/ligule
with pellucid or glandular dots or lines

leaf: stipules
absent

inflorescence
simple, sympodial, compound, sympodial or monopodial

flower: sexuality
bisexual

flower: symmetry
actinomorphic

flower: receptacle
small, enlarged, totally or partially free from the ovary

flower: disc
absent, present

flower: perianth number
6, 7+

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

flower: sepal number
3, 4, 5, 6+

flower: sepal position
all free from one another, connate

flower: sepal nature
sepals imbricate or contorted, sepals valvate

flower: petal number
0, 3, 4, 5, 6, 7, 8, 9, 10, 11+

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

flower: petal nature
petals contorted

stamen: number
3, 4, 5, 6, 7, 8, 9, 10, 11+

stamen: symmetry
flowers obdiplostemonous

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

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

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

pistil: carpel
3, 4, 5, 6+

pistil: ovary
1-locular

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

pistil
carpels free from each other or carpel 1, 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

seed: endosperm
seeds without endosperm, seeds with endosperm


 

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