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Rubus rugosus Sm.
Family Rosaceae
Common name: Keriberry

Rubus rugosus Sm. APNI*

Synonyms: Rubus rugosus var. thwaitsii Focke APNI*

Description: Scrambling shrub. Primocane stems obscurely-angled, densely covered with pale brown non-glandular hairs, prickles 2–4 mm long, not confined to angles. Flowering stems from leaf axils.

Simple, 5-lobed or obscurely 7-lobed, mostly 8–16 cm long and 7–15 cm wide, petiole to 12 cm long, lower surface densely hairy with yellow-brown non-glandular hairs, upper surface of mature leaves dark green with scattered simple hairs. Stipules deeply dissected, persistent or not.

Inflorescence a terminal leafy panicle. Sepals without prickles and densely covered externally in non-glandular hairs. Petals about 6 mm long, about 5 mm wide, almost orbicular to broadly ovate, white or pink.

Fruit ovoid to oblong, initially green, ripening black.


Herbarium
Sheet

Herbarium
Sheet

Flowering: mainly spring and summer.

Distribution and occurrence: not common. Native of India, Nepal and Sri Lanka to Malay Peninsula and Vietnam.

found in grasslands to forests in coastal areas.
NSW subdivisions: *NC, *CC
AVH map***

Distinguished by scrambling habit, simple leaves with matted hairs and rounded lobes, and stipules that are much divided. Sometimes the naturalised entity in New South Wales is referred to as R. rugosus var. thwaitesii (or thwaitsii). Only recorded from the Comboyne area at present. Introduced for its edible fruit.

Text by John Hosking, June 2009
Taxon concept: Evans et al., Australian Systematic Botany 20: 187-251 (2007).


APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.
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