Debregeasia longifolia (Burm.F.) Wedd.

Species

Angiosperms > Rosales > Urticaceae > Debregeasia

Characteristics

Shrubs or small trees 3-6 m tall, dioecious or monoecious. Branchlets slender, reddish or purplish brown; branchlets and petiole densely spreading hirtellous. Stipules oblong-lanceolate, 6-10 mm, 2-cleft in distal 1/3; petiole 1-4 cm; leaf blade adaxially dark green, oblong-or obovate-lanceolate, sometimes linear or narrowly ovate, 7-18(-23) × 1.5-5(-6.5) cm, papery, sometimes thinly so, 3-veined, lateral ones straight, reaching to middle, secondary veins 5-8(-10) on each side from basal 1/3, anastomosing at margin, abaxial surface thinly greenish gray or gray-white tomentose, densely hirtellous on veins, adaxial surface sparsely appressed strigose, sometimes rugose, base rounded or subcordate, rarely broadly cuneate, margin finely serrulate or denticulate throughout, apex acuminate. Inflorescences borne on current and previous years’ branches, 2-4-dichotomously branched, 1-2.5 cm; peduncle 0.3-3 cm, spreading hirtellous; glomerules globose, 3-4 mm in diam.; bracts triangular-ovate, ca. 1 mm, membranous. Male flowers shortly pedicellate, obovoid in bud, 1.2-1.5 mm in diam.; perianth lobes 4, broadly ovate, puberulent abaxially, connate at middle, apex acute; rudimentary ovary sessile, obovoid, ca. 0.5 mm. Female flowers sessile, obovoid, ca. 0.8 mm; perianth tube membranous, 4-denticulate at apex. Achene reddish or orange, ca. 1-1.5 mm, enclosed by fleshy perianth and adnate to it. Fl. Aug-Dec, fr. Sep-Feb.
More
A shrub or small tree. It grows 1-3 m tall. The small branches are dark brown. The leaves are long and oval with teeth along the edge. They are 6-20 cm long by 1-4 cm wide. They are dark green above when mature and ashy soft hairs underneath. The male and female flowers are produced separately on the same plant. The flowers are whitish and in small heads. The fruit are yellow when ripe. They have many small embedded nutlets.
Life form perennial
Growth form shrub
Growth support free-standing
Foliage retention evergreen
Sexuality monoecy
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 4.0 - 5.0
Root system -
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 c3

Environment

Mainly found on old cultivated land; at elevations up to 2,100 metres in the Himalayas. Moist places, especially in forests, along river-margins and on well-watered mountain sides; at elevations from 200-2,500 metresl.
More
Mainly found on old cultivated land; at elevations up to 2,100 metres in the Himalayas. Moist places, especially in forests, along river-margins and on well-watered mountain sides; at elevations from 200-2,500 metresl.
A tropical plant. In Nepal it grows from 500-2200 m altitude. It grows along river banks. In central and western China it grows to 1,400 m altitude. It suits shady moist places. In Yunnan.
Light 4-6
Soil humidity 4-6
Soil texture 1-6
Soil acidity 3-7
Soil nutriment -
Hardiness (USDA) 7-10

Usage

The ripe fruit are eaten fresh or raw. The leaves are boiled and eaten.
Uses fiber fodder food material medicinal wood
Edible fruits leaves
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Plants can be grown by cuttings or seed.
Mode cuttings seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Leaf

Debregeasia longifolia leaf picture by Ashuni Rae Pfuzhe (cc-by-sa)

Distribution

Debregeasia longifolia world distribution map, present in Bangladesh, Bhutan, China, Guatemala, Indonesia, India, Cambodia, Lao People's Democratic Republic, Sri Lanka, Myanmar, Malaysia, Nepal, Philippines, Thailand, and Viet Nam

Conservation status

Debregeasia longifolia threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:851412-1
WFO ID wfo-0000638905
COL ID 34CLH
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Boehmeria angustata Leucocnide sororia Leucocnide affinis Leucocnide dichotoma Debregeasia longifolia Debregeasia velutina Trema lancifolium Boehmeria dichotoma Conocephalus niveus Debregeasia angustifolia Urtica longifolia Urtica angustata Missiessya velutina Morocarpus longifolius Morocarpus velutinus Morocarpus dichotomus Urtica dichotoma Leucocnide angustata Morocarpus sororius Morocarpus lutescens Morocarpus virens Morocarpus angustatus Morocarpus affinis Debregeasia dichotoma Debregeasia libera Debregeasia luteocarpa