Gardneria Wall.

Genus

Angiosperms > Gentianales > Loganiaceae

Characteristics

Mostly climbing or creeping, glabrous shrubs. Twigs terete, sometimes with 4 faint ridges. Leaves petioled, connected by interpetiolar stipular rims; at the base of the new shoots a number of persistent, acute-triangular bud-scales. Inflorescences axillary, dichasial, usually few-flowered or flowers solitary, sometimes lax and many-flowered; bracts narrowly triangular, 1-2 mm long. Flowers long-pedicelled, 4-5-merous. Calyx small, deeply lobed, lobes rounded, sometimes acuminate, shortly ciliate, for the rest glabrous, inside with colleters at the base. Corolla rotate, thin-fleshy, creamy to yellow, lobes valvate in bud. Stamens exserted, filaments very short, flat; anthers bifid at the base, introrse, 4-or 2-celled (if 4-celled the outer cells much bigger than the central ones). Pistil glabrous; ovary small, 2-celled, with 1-4 ovules per cell; style mostly long and slender; stigma capitate to 2-parted. Berry globular, red. Seeds 1 or more, elliptic to orbicular, concave on the hilar side, convex on the other; testa thin, endosperm thick, cartilaginous.
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Shrubs, scandent, mostly climbing or creeping. Branchlets terete, sometimes with 4 faint ridges. Leaves opposite, petiolate, connected by interpetiolar stipular rims; leaf blade marginentire. Flowers axillary, solitary, paired, or in cymes, when in cymes usually few-flowered but sometimes grouped into a thyrse; bracteoles small, narrowly triangular. Flowers 4-or5-merous. Calyx small, deeply lobed; lobes imbricate, connate, inside with colleters at base. Corolla rotate to subcampanulate; tube thin, fleshy; lobes thin to thick, fleshy, valvate inbud. Stamens exserted; filaments very short, flat; anthers 2-or 4-locular, connate or free, base 2-parted, introrse. Ovary small, 2-locular, with 1--4 ovules per locule. Style mostly long,slender; stigma capitate or 2-cleft. Berries red, globose, 1-seeded or more. Seeds ellipsoid to orbicular, concave on hilar side but convex on other side; seed coat thin; embryo tiny,almost cylindrical; endosperm thick, horny.
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Growth form shrub
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Foliage retention deciduous
Sexuality hermaphrodite
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Hardiness (USDA) 7-12

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Cultivation

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Images

Gardneria unspecified picture

Distribution

Gardneria world distribution map, present in China, India, Japan, and Malaysia

Identifiers

LSID urn:lsid:ipni.org:names:25066-1
WFO ID wfo-4000015328
COL ID 4M7T
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Gardneria

Lower taxons

Gardneria angustifolia Gardneria lanceolata Gardneria multiflora Gardneria nutans Gardneria ovata Gardneria linifolia Gardneria distincta