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Monocot Plants | Family List

Hydrocharitaceae A. L. de Jussieu

Habit
Aquatics growing in or on water, Aquatic submerged, Aquatic emergent, Aquatic leaves floating, Aquatic fresh water, Aquatic marine, Herbaceous, Annuals, Perennials

Roots
Rhizomes, Stolons or runners, Sap clear

Leaves
Leaves - petiolate, Leaves - sheathing at base, Leaves - sheath open, Leaves - simple, Leaves - cauline, Leaves - basal (rosette), Leaves - alternate, Leaves - opposite, Leaves - whorled, Leaves - 2-ranked (distichous), Leaves - spiral, Leaves - linear or filiform (grass-like), Leaves - blade broad, Leaves - venetion parallel, Leaves - soft, Leaves - margins entire

Inflorescence
terminal, lateral or axillary, bracteate, scapose, flowers solitary, cymes, umbels, verticellate in whorls, subtended by large spathe (leaf-like bract), Flowers sessile, Flowers pedicellate

Flowers
Flowers unisexual, Plants dioecious, Flowers bisexual, Perianth present, Perianth absent, Flowers minute barely visible, Flowers small, Flowers large and showy, Flowers 3 merous, Flowers actinomorphic, Floral bracteoles present

Sepals/Tepals
Sepals distinguishable from petals, Sepals green, Sepals separate

Petals/Tepals
Petals 3, Petals mostly separate, Petals white (to pinkish)

Stamens
Stamens 2, Stamens 3, Staminodes present

Pistil
Carpels separate (apocarpous), Carpels united, Carpels 3, Carpels many, Ovary inferior, Styles 1, Stigma terminal capitate or trilobed, Locules 1, Placentation parietal, Placentation laminar

Fruit
Fruit - capsule, Fruit - berry

Seeds
Seeds - few (2-10) per locule, Seeds - numerous per locule, Seeds - minute dust-like, Seeds - lacking tuft of hair, Seeds - surface +/- smooth, Seeds - round or ellipsoid


 

Related Objects  

Flora of China  
  • Hydrocharitaceae (PDF)
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