Rheum globulosum Gage

Species

Angiosperms > Caryophyllales > Polygonaceae > Rheum

Characteristics

Herbs short, 2-8 cm tall. Roots stout, 1-3 cm in diam. Stem absent. Basal leaves 1, rarely 2; leaf blade purple-red abaxially, dark green adaxially, reniform-orbicular, 2-3 × 3-4 cm, leathery, abaxially glabrous or muricate, basal veins 5-7, stout, conspicuously raised abaxially, base cordate, margin entire, apex obtuse, rarely retuse. Panicle headlike, 1-2 cm in diam.; rachis solitary, ca. 5 cm, 1.5-2.5 mm in diam., glabrous or muricate. Pedicel short. Flowers dense. Tepals 6, not spreading, light green with white margin, obovate or oblong, subequal, 3-3.5 × ca. 2 mm, fleshy. Stamens 8 or 9, subequal to perianth; filaments adnate to disk; anthers oblong-elliptic, ca. 1 mm. Ovary nearly rhomboid; style lateral spreading, not reflexed; stigma inflated. Fruit broadly ovoid, with marks on both sides at upper part; wings narrow. Fl. Jun-Jul, fr. Aug-later.
Life form perennial
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.02 - 0.08
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

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 7-11

Usage

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

Cultivation

Mode -
Germination duration (days) 21 - 42
Germination temperacture (C°) 15 - 18
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Rheum globulosum world distribution map, present in China and India

Identifiers

LSID urn:lsid:ipni.org:names:696741-1
WFO ID wfo-0001219328
COL ID 78TJM
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Rheum globulosum