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hastate

Spear like. Shaped like an arrowhead, but with basal lobes pointing outward rather than downward.

A hastate leaf base. Photographer: Illustration by Sue Wickison
Hastate fern. Photographer: Tony Foster

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.

The hemi-parasitic Peraxilla colensoi. Photographer: Tony Foster

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.

hermaphrodite

Having both male and female sexual characteristics and organs.

Hermaphrodite flower of Gentianella montana subsp. ionostigma. Photographer: Jeremy Rolfe

heteroblastic

Exhibiting differences in leaf shapes or forms in juvenile and adult phases of the plant.

The differences in leaf shapes in juvenile and adult phases of Pseudopanax. Photographer: Tony Foster

heteroblasty

The state of being heteroblastic (i.e., exhibiting differences in leaf shapes or forms in juvenile and adult phases of the plant).

hirsute

Hairy.

The fine hairs on the petals of Leucopogon fasciculata. Photographer: Tony Foster
The fine hairs on the petals of Leucopogon fasciculata. Photographer: Tony Foster

hyaline

Membranous, thin and translucent.

Elatostema rugosa. Photographer: Tony Foster

hybrid

An individual that is the offspring of a cross between two different varieties or species.

A hybrid of Notogrammitis ciliata x N. heterophylla. Photographer: Jeremy Rolfe

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.

hypanthium

A ring–like, cup–shaped, or tubular structure of a flower on which the sepals, petals, and stamens are borne.

The hypanthium of Metrosideros fulgens. Photographer: Tony Foster
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