Roscoea tibetica Batalin

Species

Angiosperms > Zingiberales > Zingiberaceae > Roscoea

Characteristics

Plants 5--15 cm tall. Leaves 1--3, forming a rosette; ligule obscure, ca. 0.5 mm; leaf blade elliptic, widest near base, 2--6 × 1--2.5 cm, obscurely to densely hairy especially when young, apex obtuse to acute. Inflorescence enclosed by leaf sheaths; bracts elliptic, 2.2--4 cm. Flowers purple or violet, held just above leaf rosette. Calyx brown spotted, 3--4 cm, apex 3-toothed. Corolla tube 4--5 cm; central lobe oblong, cucullate, 1.5--1.7 cm × ca. 8 mm, apex apiculate; lateral lobes lanceolate, 1.5--1.8 cm × 4--5 mm. Lateral staminodes oblong, 1--1.3 cm. Labellum slightly reflexed, obovate 1.4--2.5 × 0.8--1.8 cm including claw, usually deeply lobed for more than 1/2 its length. Anther cream; connective spur 3--7 mm. Ovary cylindric, ca. 1.5 cm. Fl. Jun--Jul.
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A ginger family herb. It grows 5-15 cm tall. There are 1-3 leaves. The leaves are narrowly oval but widest near the base. They are 2-6 cm long by 1-3 cm wide. They are hairy when young. The flowers are enclosed by leaf sheaths. The bracts are oval and 3-4 cm long. The flowers are purple or violet.
Life form -
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) 0.1 - 0.5
Mature height (meter) 0.05 - 0.15
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

It is a subtropical plant. It grows in pine forests and alpine meadows between 2,400-3,800 m above sea level. In Sichuan and Yunnan.
Light 4-6
Soil humidity -
Soil texture -
Soil acidity 2-8
Soil nutriment -
Hardiness (USDA) 10-10

Usage

The young leaves are cooked and eaten as a vegetable.
Uses medicinal
Edible leaves
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by divisions, seedlings or tubers.
Mode divisions seedlings tubers
Germination duration (days) 30 - 365
Germination temperacture (C°) 10 - 12
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Roscoea tibetica unspecified picture

Distribution

Roscoea tibetica world distribution map, present in China and Myanmar

Identifiers

LSID -
WFO ID wfo-0000523923
COL ID 6WY3Z
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Roscoea tibetica Roscoea intermedia var. minuta Roscoea intermedia var. plurifolia

Lower taxons

Roscoea tibetica var. emarginata