hastate
Spear like. Shaped like an arrowhead, but with basal lobes pointing outward rather than downward.
haustorium
The absorbing organ of a parasite or hemiparasite.
hemi-parasite
Obtains water and nutrients from the roots of other plants but also manufactures food through photosynthesis.
hemi-parasitic
Obtaining water and nutrients from the roots of other plants then manufacturing food through photosynthesis.
herbarium
The place where collections of dried/pressed plants are kept.
heteroblastic
Exhibiting differences in leaf shapes or forms in juvenile and adult phases of the plant.
heteroblasty
The state of being heteroblastic (i.e., exhibiting differences in leaf shapes or forms in juvenile and adult phases of the plant).
hybridise
Breeding with a member of a different plant or type.
hydrophyte
A plant species adapted to growing in or on water or in wet situations. Aquatic or semi-aquatic.
hymenium
The fertile, spore–bearing layer of a fruitbody.