Hydnora Thunb.

Genus

Angiosperms > Piperales > Aristolochiaceae

Characteristics

Leafless, chlorophyll-less, root parasites; plant body subterranean, large, warty, rhizome-like structure with many branches. Flowers arising directly from the plant body, partly subterranean. Anthers sessile, forming a lobed ring on the hypanthium, with elongate, bisporangiate pollen sacs with longitudinal slits. Stigma mostly 3–5-lobed. Fruit a subterranean fleshy berry with a woody pericarp; seeds many.
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Androecium inserted on the hypanthium, comprising a complex structure of 3–4(5) fused anthers in the form of a large undulating ring with very numerous horizontally elongate pollen sacs; undulations opposite the perianth lobes.
Flowers arising directly from the plant body and remaining partially below ground level, hermaphrodite, actinomorphic, solitary, 3–4(5)-merous.
Perianth fleshy-coriaceous, valvately 3–4(5)-lobed; the lobes equalling or exceeding the perianth tube in length.
Fruit a subterranean fleshy berry with a woody pericarp; seeds numerous in a flesh-coloured pulp, minute.
Ovary inferior, unilocular, with numerous infolded, pendant accrescent placentas; ovules numerous.
Plant-body a large, verrucose, firmly-fleshy “rhizome” with widely spreading branches.
Stigma sessile, cushion-shaped, 3–5-lobed.
Subterranean root parasites.
Leaves absent.
Life form perennial
Growth form -
Growth support -
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) -
Root system rhizome
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) -

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Hydnora unspecified picture

Identifiers

LSID urn:lsid:ipni.org:names:30159275-2
WFO ID wfo-4000018506
COL ID 4ZP6
BDTFX ID -
INPN ID 705272
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Aphyteia Hydnora

Lower taxons

Hydnora triceps Hydnora africana Hydnora esculenta Hydnora visseri Hydnora longicollis Hydnora sinandevu Hydnora abyssinica