Alpinia polyantha D.Fang

Species

Angiosperms > Zingiberales > Zingiberaceae > Alpinia

Characteristics

Rhizomes creeping, thick. Pseudostems to 6 m. Leaf sheath longitudinally rough lined, densely tomentose; ligule 2-cleft, 1--2 cm, tomentose; petiole 1--9 cm, tomentose; leaf blade lanceolate or elliptic, to 1 m × 25 cm, glabrous or abaxially tomentose, base cuneate, margin long ciliate, apex acuminate. Panicles erect, 35--60 × 7--9 cm, tomentose; branches 0.5--3 cm, 5--8-flowered; involucral bracts oblong-lanceolate, ca. 27 × 5.5 cm; bracteoles oblong to oblanceolate, ca. 1.2 cm × 3--7 mm, membranous. Pedicel 1--10 mm. Calyx red, 0.9--1.4 cm, split on 1 side, apex 3-toothed. Corolla tube equaling calyx; lobes oblong, 1.3--1.7 cm × ca. 5 mm. Lateral staminodes red, horn-shaped, ca. 6 mm. Labellum suborbicular to oblong, ca. 2.3 × 1.8--2.2 cm, midvein yellowish, with a few purple lines on both sides near base, apex acute, 2-toothed. Stamen ca. 2.8 cm; anther 8--9 mm; connective appendage tongue-shaped, ca. 2 mm. Ovary densely hirsute. Capsule globose, 0.9--1.4 cm in diam., hairy, apex with persistent calyx. Fl. May--Jun, fr. Oct--Nov. 2 n = 48*.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) -
Root system rhizome
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
Photosynthetic pathway -

Environment

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

Usage

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

Cultivation

Mode -
Germination duration (days) 30 - 90
Germination temperacture (C°) 21 - 23
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Alpinia polyantha world distribution map, present in China

Identifiers

LSID -
WFO ID wfo-0000338694
COL ID C6VR
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Alpinia polyantha