Rubus mearnsii Elmer

Species

Angiosperms > Rosales > Rosaceae > Rubus

Characteristics

Shrubs. Stems rather densely hairy when young and with many c. 1 mm long gland-bearing hairs, prickles (rather) many, curved, up to 1.5 mm. Leaves broadly ovate to suborbicular, 5-9 by 5-7 cm, not or faintly lobed, base cordate, margin rather coarsely serrate, apex obtuse to acute, coriaceous to herbaceous, nervation pedate with 6-7 pairs of nerves, venation transverse, both surfaces rather sparsely hairy, more densely on midrib and nerves below. Petiole 1-2 cm long. Stipules persistent, tongue-shaped, 7-9 by 3-4 mm, with 5-6 pairs of small teeth, hairy and glandular outside. Inflorescence a thyrse, laxly paniculate in appearance, up to 52 cm long, with up to 18 lateral branches of up to 24 cm long and with up to 30 flowers. Bracts up to 9 mm long, hairy and glandular outside. Pedicels 0.5-1.5 cm long, long-hairy and with glandular hairs, as are the other axes. Flowers bisexual, flower buds ovoid, pointed. Hypanthium saucer-shaped, 6 mm across, hairy and glandular-hairy outside. Sepals ovate, 7-8 mm long, outer ones 5-6 mm wide, with 3-6 teeth on the uncovered margins, inner ones c. 4 mm wide, entire, indumentum outside as hypanthium. Petals none. Stamens 60-90, filaments up to 5 mm, glabrous, anthers 0.5-0.8 mm long. Pistils 12-18, ovaries glabrous, on flat, hairy torus, style up to 4 mm long. Collective fruits c. 6 mm diam., loose, often only some of the fruits developing, sepals closing and remaining closed after anthesis. Fruits 4 mm long when dry, mesocarp fleshy, a rather tough layer when dry.
Life form perennial
Growth form shrub
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
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Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
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Hardiness (USDA) -

Usage

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

Cultivation

Mode -
Germination duration (days) -
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Optimum temperature (C°) 14 - 20
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Productivity -

Distribution

Rubus mearnsii world distribution map, present in Philippines

Identifiers

LSID urn:lsid:ipni.org:names:738320-1
WFO ID wfo-0000991418
COL ID -
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Rubus mearnsii