Haworthiopsis attenuata (Haw.) G.D.Rowley

Species

Angiosperms > Asparagales > Asphodelaceae > Haworthiopsis

Characteristics

Plants acauline or short stemmed, up to 12 cm high, about 12 cm diam., proliferous from the base and forming clusters. Leaves 30-40, the young erect, straight, the old ascending to spreading, little recurved, about 8 cm long, up to 17 mm diam., up to 7 mm thick, lanceolate-deltoid, acuminate, green; upper surface flat, scabrous with minute whitish tubercles; lower surface rounded, roughened with medium-sized white tubercles, confluent in a series of transverse bands; margins rounded, tubercled; keel 1, centrally positioned, with small white and pointed tubercles; end-awn 7 mm long, reddish-brown. Inflorescence about 39 cm tall; peduncle compound, about 2 mm diam., 21 cm long, 2 sterile bracts above the branch, abruptly long acuminate, about 7 mm long, erect, keeled with a reddish-brown vein; raceme about 18 cm long, about 23 spirally arranged flowers and buds, 2 open simultaneously; floral bracts membranous, 3 mm long, acute, keeled with reddish veins, clasping the pedicels, (shorter than the pedicels); pedicels 5 mm long, 1.25 mm diam., grey-green, erect; perianth white with green keels to the segments, 15 mm long, compressed at base, funnel-shaped, tube more or less 4 mm across, constricted to 3 mm above, spreading, curved; segments not free to the base, limb 2 lipped; posterior segments very slightly recurved, white with green veins; exterior part strongly recurved, spreading, white with green veins; stamens 6 of two lengths, 9 and 10 mm long, inserted within the perianth tube; ovary 4 mm long, 2 mm diam., green; style 6 mm long, white, curved, capitate.
More
Acaulescent succulent to 15 cm diam., forming clumps. Leaves erect, attenuate, green to brownish, with small to large banded tubercles. Flowers white.
Proliferous, acaulescent. Leaves lanceolate, 60-100 x 10-15 mm, scabrid, with raised white tubercles, no fibres. Flowering time Oct.-Jan.
Life form perennial
Growth form
Growth support -
Foliage retention evergreen
Sexuality -
Pollination -
Spread -
Mature width (meter) 0.1 - 0.5
Mature height (meter) 0.1 - 0.5
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 6-9
Soil humidity 1-5
Soil texture 6-7
Soil acidity 2-8
Soil nutriment -
Hardiness (USDA) 10-12

Usage

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

Cultivation

Can be grown by cuttings, divisions or seedlings.
Mode cuttings divisions seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) 1
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Haworthiopsis attenuata world distribution map, present in South Africa

Identifiers

LSID urn:lsid:ipni.org:names:77138002-1
WFO ID wfo-0001338832
COL ID 3JWPZ
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Haworthia attenuata Aloe attenuata Apicra attenuata Catevala attenuata Aloe radula Haworthia argyrostigma Haworthiopsis attenuata Haworthia attenuata f. britteniana Haworthia pumila subsp. attenuata Haworthia attenuata var. britteniana Haworthia attenuata var. argyrostigma Haworthia fasciata var. caespitosa Haworthia attenuata var. caespitosa Haworthia attenuata var. clariperla Haworthia attenuata var. deltoidea Haworthia attenuata var. inusitata Haworthia attenuata var. linearis Haworthia attenuata var. minissima Aloe attenuata var. clariperla Aloe attenuata var. minor Haworthia attenuata var. odonoghueana Haworthia attenuata var. uitewaaliana Haworthia attenuata var. attenuata

Lower taxons

Haworthiopsis attenuata var. glabrata Haworthiopsis attenuata var. radula Haworthiopsis attenuata var. attenuata