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Vrydagzynea Blume

Tonsil orchids (en)

Genus

Angiosperms > Asparagales > Orchidaceae

Characteristics

Herbs, terrestrial or rarely epiphytic. Rhizome elongate or short, ascending, cylindric, fleshy, with nodes bearing several slender roots. Stem erect or ascending, leafy. Leaves ovate, slightly fleshy, with a short petiole-like base sheathing stem. Inflorescence erect, terminal, racemose, densely several to many flowered. Flowers resupinate, not fully opening, medium-sized or small; ovary twisted, cylindric-fusiform, pubescent. Sepals subequal; dorsal sepal and petals forming a hood; lateral sepals free, spreading. Lip short, triangular-ovate, obscurely 3-lobed, spurred at base; spur conic to fusiform, large, projecting between base of lateral sepals, containing 2 stalked glands near base. Column very short, stout; anther erect, on dorsal side of column, 2-locular; pollinia 2, granular-farinaceous, narrowly obovoid, attenuate at base, attached to a large ovate-oblong viscidium; rostellum short, erect, remnant shortly bifid; stigma 2-lobed; lobes separate, raised, protruding beyond sides of rostellum.
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Small, deciduous, shade-loving terrestrial orchids with short, above-ground stems, basal part decumbent on ground, upper part erect. Roots wiry, arising from basal nodes. Leaves short but relatively broad, stalked, thin-textured, spirally-arranged in basal or ascending rosette. Inflorescence terminating a stem, spicate, short, hairy. Flowers resupinate, few to several, crowded, small, dull-coloured, resupinate, glabrous or hairy. Dorsal sepal and petals adherent to form galea. Lateral sepals free, flanking galea, with a basal, auricle-like structure which embraces the top of the spur. Petals narrow, upper side adherent to dorsal sepal. Labellum 3-lobed, prominent spur projecting downwards between lateral sepals; spur with 2 stalked glands that resemble tonsils or testicles. Pollinia 2, attached via caudicle to viscidium.
Life form perennial
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
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Root system rhizome
Rooting depth (meter) -
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Nitrogen fixer -
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Environment

These orchids grow in soil, litter and humus on rocks in shady forests, especially rainforest.
Light -
Soil humidity -
Soil texture -
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Hardiness (USDA) 8-12

Usage

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

Cultivation

Mode -
Germination duration (days) -
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Productivity -

Images

Vrydagzynea unspecified picture

Distribution

Vrydagzynea world distribution map, present in Australia, Bangladesh, China, Fiji, Japan, Moldova (Republic of), Myanmar, Philippines, Solomon Islands, Thailand, Tonga, Taiwan, Province of China, Viet Nam, Vanuatu, and Samoa

Identifiers

LSID urn:lsid:ipni.org:names:30917-1
WFO ID wfo-4000040450
COL ID 8W4N2
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Vrydagzynea

Lower taxons

Vrydagzynea angustisepala Vrydagzynea bractescens Vrydagzynea elongata Vrydagzynea formosana Vrydagzynea gracilis Vrydagzynea schumanniana Vrydagzynea semicordata Vrydagzynea sessilifolia Vrydagzynea tilungensis Vrydagzynea weberi Vrydagzynea endertii Vrydagzynea albida Vrydagzynea grandis Vrydagzynea guppyi Vrydagzynea kerintjiensis Vrydagzynea lancifolia Vrydagzynea micronesiaca Vrydagzynea neohibernica Vrydagzynea salomonensis Vrydagzynea truncicola Vrydagzynea uncinata Vrydagzynea vitiensis Vrydagzynea vrydagzynoides Vrydagzynea albostriata Vrydagzynea triangularis Vrydagzynea elata Vrydagzynea nuda Vrydagzynea obliqua Vrydagzynea paludosa Vrydagzynea pauciflora Vrydagzynea purpurea Vrydagzynea samoana Vrydagzynea argentistriata Vrydagzynea argyrotaenia Vrydagzynea beccarii Vrydagzynea bicostata Vrydagzynea brassii Vrydagzynea buruensis Vrydagzynea celebica Vrydagzynea deliana Vrydagzynea tristriata Vrydagzynea nova-guineensis
WorldFloraDB 2024