Haworthiopsis coarctata (Haw.) G.D.Rowley

Species

Angiosperms > Asparagales > Asphodelaceae > Haworthiopsis

Characteristics

Plants caulescent, up to 200 mm high, about 50-70 mm diam., proliferous from the base and forming clusters. Leaves about 60, ascending, incurved, firm, coriaceous, up to 45 mm long, up to 21 mm broad, about 10 mm thick below the middle, ovate to lanceolate, acute to acuminate, reddish-brown or greenish-yellow; upper surface flat to convex, smooth, with a concolorous longitudinal middle line; lower surface rounded, with 6 to 16 vertical rows of slightly raised greenish to white tubercles, often smooth, keeled in the upper half. Inflorescence about 28 cm tall; peduncle about 13 cm long, simple, terete, up to 1.15 mm diam., bracteate; sterile bracts membranous, erect, keeled; raceme sub-lax flowered, with about 15 spirally arranged flowers and buds, 2 to 3 open simultaneously; floral bracts membranous, up to 3 mm long, deltoid, acute, keeled with broad dark brown or reddish-brown veins, clasping the pedicels, (longer than the pedicels); pedicels 2.5 mm long, 1 mm diam., light brown, erect; perianth white with green keels to the segments, 17 mm long, compressed at base, funnel-shaped; tube more or less 4 mm across, constricted to 3 mm above; segments not free to the base, limb 2 lipped, posterior segments very slightly recurved, white with green veins, spreading; exterior part recurved, spreading, with pale green veins; stamens 6 of two lengths 6 mm and 7 mm long, inserted within the perianth tube; ovary 3 mm long, barely 2 mm diam.; style 1.25 mm long, straight, capitate. Flowering: November through December, or occasionally into January.
More
Proliferous, caulescent. Leaves multifarious on elongated stems up to 300 mm high, 120 mm in diam., 20-50 x 10-15 mm, incurved and tightly packed on stems, ratio stem diam.:leaf width 1:1.7, brownish green with rounded whitish tubercles. 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 - 0.3
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light 4-9
Soil humidity 1-5
Soil texture 6-7
Soil acidity 4-8
Soil nutriment -
Hardiness (USDA) 9-11

Usage

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

Cultivation

Can be grown by divisions or seedlings.
Mode divisions seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -7
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Haworthiopsis coarctata unspecified picture

Distribution

Haworthiopsis coarctata world distribution map, present in South Africa

Identifiers

LSID urn:lsid:ipni.org:names:77138006-1
WFO ID wfo-0001338834
COL ID 6LFBP
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Haworthia coarctata Aloe coarctata Haworthia fallax Haworthia resendeana Haworthia coarctatoides Haworthia coarctata f. major Haworthia coarctata f. pseudocoarctata Haworthiopsis coarctata Catevala coarctata Haworthia reinwardtii var. coarctata Haworthia reinwardtii subsp. coarctata Haworthia reinwardtii var. conspicua Haworthia reinwardtii var. pseudocoarctata Haworthia coarctata var. haworthii Haworthia coarctata var. kraussii Haworthia coarctata var. coarctata Haworthia greenii var. silvicola Haworthia reinwardtii var. chalwinii Haworthia reinwardtii var. committeesensis Haworthia reinwardtii var. fallax Haworthia reinwardtii var. huntsdriftensis Haworthiopsis reinwardtii var. coarctata

Lower taxons

Haworthiopsis coarctata var. adelaidensis Haworthiopsis coarctata var. tenuis Haworthiopsis coarctata var. coarctata