Alpinia tonkinensis Gagnep.

Species

Angiosperms > Zingiberales > Zingiberaceae > Alpinia

Characteristics

Pseudostems stout. Leaf sheath longitudinally lined; ligule 1.5--2 cm, leathery, apex obtuse; petiole 3--6 cm; leaf blade linear-lanceolate, ca. 60 × 7 cm, leathery, glabrous, base attenuate, apex acuminate. Panicles erect, 40--50 × ca. 4 cm, proximally glabrous, distally densely villous; branches apically 3--5-flowered; bracts ovate, ca. 1.5 cm, leathery, deciduous; bracteoles similar to bracts but smaller. Pedicel very short. Calyx subcampanulate, 9--10 mm, split to middle on 1 side, apex irregularly crenate. Corolla tube 7--8 mm; lobes oblong, 1.5--1.8 cm, concave, central one ciliate at proximal margin, apex apiculate. Lateral staminodes linear, very short. Labellum orbicular or ovate, ca. 1.4 × 1--1.2 cm, base slightly contracted, apex emarginate. Filament 4--5 mm; anther ca. 6 mm. Ovary globose, sericeous. Fl. Feb. 2 n = 48*.
More
A ginger family herb. The false stem is stout. The leaf sheath has lines along it. The leaf stalk is 3-6 cm long. The leaf blade is narrow and sword shaped and 60 cm long by 7 cm wide. It is leathery. It tapers to the tip. The flower panicles are erect. They are 40-50 cm long by 4 cm wide.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
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Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
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Nitrogen fixer -
Photosynthetic pathway -

Environment

A tropical plant. It grows in the forests in S China.
Light -
Soil humidity -
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Hardiness (USDA) -

Usage

It is used as a flavouring.
Uses material medicinal
Edible rhizomes roots
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) 30 - 90
Germination temperacture (C°) 21 - 23
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Optimum temperature (C°) -
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Distribution

Alpinia tonkinensis world distribution map, present in China and Viet Nam

Identifiers

LSID -
WFO ID wfo-0000338819
COL ID C6Z2
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Alpinia tonkinensis