Rubus archboldianus Merr. & L.M.Perry

Species

Angiosperms > Rosales > Rosaceae > Rubus

Characteristics

Climbing or scrambling shrubs. Stems up to 5 m, with long hairs, glabrate, prickles up to 2 mm, curved, often purplish. Leaves 3-foliolate, upper ones sometimes simple, petiole 1-4 cm long. Stipules deeply divided into up to 6 linear lobes, 4-15 mm long, hairy outside. Leaflets elliptic, ovate-elliptic, or obovate-elliptic, sometimes deltoid or rhomboid, terminal ones 1.5-12 by 2-6.5 cm, lateral ones up to 5.5 by 4 cm, base usually acute, margin serrate, apex obtuse to acute or acuminate, coriaceous, 5-10(-12) pairs of nerves, upper surface more or less densely long-hairy, lower surface with hairs mainly on the nerves. Inflorescences with 1 or 2 cymes under the terminal flower, the cymes 1-or 2-flowered. Bracts stipule-like. Pedicels up to 4 cm long, hairy and with some prickles. Hypanthium up to 15 mm across, long-hairy and with many straight prickles outside, prickles up to 5 mm. Sepals ovate to triangular, 12-18 by 6-10 mm, growing after anthesis, caudate, exposed margins with up to 15 long and slender teeth, indumentum outside as hypanthium, purplish or reddish. Petals obovate or spathulate, distinctly clawed, 11-18 by 7-10 mm, early falling, (orange or pinkish) red. Stamens 50-75, filaments up to 10 mm, anthers up to 1.5 mm long. Pistils 35-90, ovaries long-hairy in upper part, on elevated, glabrous torus, style up to 7 mm long, hairy at base. Collective fruits depressed ovoid, up to 3 cm. Fruits 4-5 by 2-2.5 mm, exocarp long-hairy and with a silky shine, dark red, mesocarp juicy, endocarp dorsally keeled.
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A climbing or scrambling shrub. The stems are up to 5 m long. The prickles are 2 mm long and curved. Often they are purplish. The leaves have 3 leaflets. The leaf stalks are 1-4 cm long. The leaflets are oval and the side ones are 5.5 cm long by 4 cm wide. The edges of the leaves have saw like teeth. The leaves are leathery. The flowerings stalks have 1 or 2 flower stalks below the end flower. These have 1 or 2 flowers each. The petals are red. The fruit or berry is 3 cm across made up of many small fruit. The fruit is dark red. The fruit are edible.
Life form perennial
Growth form shrub
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) 0.03
Mature height (meter) 4.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

In and along edges of different kinds of mountain forest and in shrubland, usually at elevations from 1,800-3,6O0 metres, occasionally to 4,300 metres.
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A tropical plant. In mountain forests from 1,800 to 3,600 m altitude.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) -

Usage

Uses The fruits are edible and have a pleasant taste.
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The fruit are eaten.
Uses food
Edible fruits
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by cuttings or seedlings.
Mode cuttings seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) 14 - 20
Size -
Vigor -
Productivity -

Distribution

Rubus archboldianus world distribution map, present in Papua New Guinea

Identifiers

LSID urn:lsid:ipni.org:names:735156-1
WFO ID wfo-0000991306
COL ID 4TJGD
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Rubus archboldianus