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Hansen & Rahn | Family List

Juncaginaceae Richard

habit
herbaceous plants

important diagnostics
aquatic plants, leaves floating or submerged

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

leaf: position
alternate

leaf: nature
not compound

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

margin
with entire margin

leaf: stipules
absent

inflorescence
raceme, spike

flower: sexuality
bisexual, unisexual

flower: symmetry
actinomorphic, zygomorphic or irregular

flower: receptacle
enlarged, conical or hemispherical

flower: disc
absent

flower: perianth number
2, 4, 6

flower: perianth nature
perianth of calyx and corolla

flower: sepal number
2, 3, 4, 6+

flower: sepal position
all free from one another

flower: sepal nature
sepals imbricate or contorted

flower: petal number
0

stamen: number
4, 6

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

stamen: filaments
free from the corolla, not connate

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

pistil: carpel
4, 6+

pistil: ovary
1-locular, 4-locular, 6+ locules

pistil: ovule
1 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, ovules attached to the base of the ovary

fruit: type
a capsule, a nut

fruit: seed
1 seed, 3+ seeds

seed: embryo
straight

seed: endosperm
seeds without endosperm


 

Related Objects  

Flora of China  
  • Juncaginaceae (PDF)
  • PDF

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