Plants caulescent, with leaves in a basal rosette not or very slowly proliferous from a bud in the axil of a lower leaf. Leaves about 25, the young erect, firm, the old ascending, spreading, tips recurved, up to 7 cm long, 20 mm broad near the base, up to 10 mm thick, ovate to lanceolate, dark purplish brown; upper surface flat to rounded, with small glossy translucent tubercles arranged in irregular wavy transverse bands; lower surface rounded with transverse rows of small shiny translucent tubercles; margins rounded from the base to about the middle of the leaf, acute above, tubercled. Inflorescence about 36 cm tall; peduncle simple, about 19 cm long, bracteate; raceme about 17 cm long, lax, with about 30 spirally arranged flowers and buds, two to three open simultaneously; floral bracts membranous, 2 mm long, deltoid, acute, keeled with brown veins, clasping the pedicels, (shorter than the pedicels); pedicels 3 mm long, 1.5 mm diam., grey-green, recumbent erect; perianth white with grey-green keels to the segments, 11 mm long, compressed at base, funnel-shaped, tube more or less 4 mm across, constricted to 3 mm above; segments free to the base, straight, limb 2 lipped; posterior segments with lobes free, recurved, little spreading, white with green veins; exterior part recurved, little spreading, replicate, with green veins; stamens 6 of two lengths 8 and 9 mm long, inserted within the perianth tube; ovary 2.5 mm long, 1.5 mm diam., green; style 3 mm long, capitate. From: Scott, CL. 1985. The genus Haworthia (Liliaceae): a taxonomic revision. Aloe Books, Johannesburg. [All rights reserved] As: Haworthia koelmaniorum Oberm. & D.S.Hardy
Succulent, perennial herb, up to 360 mm (inflorescence) tall, caulescent, with leaves in a basal rosette. Leaves firm, with small, glossy, translucent tubercles arranged in irregular wavy transverse bands. Flowers white with grey-green keels to segments. From: Retief, E; Herman, PPJ. 1997. Plants of the northern provinces of South Africa: Keys and diagnostic characters. Strelitzia 6: 1-681. National Botanical Institute, Pretoria. [CC BY] As: Haworthia koelmaniorum Oberm. & D.S.Hardy
Its nearest affinity is with H. limifolia, but it differs in several respects; it forms a short, broad, fibrous base, produces few suckers, and the tubercles do not fuse to form transverse ridges. From: Scott, CL. 1985. The genus Haworthia (Liliaceae): a taxonomic revision. Aloe Books, Johannesburg. [All rights reserved] As: Haworthia koelmaniorum Oberm. & D.S.Hardy
Within its distribution range the rainfall may vary between 400 and 600 mm and falls during the summer months usually as short, violent downpours. The summers are hot, and frost in winter occurs throughout this area, which is mostly covered by grassland of various types, sometimes with open shrubland or low, open savanna. H. koelmaniorum grows on deep, well-drained sandy, usually red soil and is mainly associated with sloping sandstone ridges. The plants are wedged into cracks, which contain small deposits of very humus-rich soil, always in well-drained positions, usually in exposed positions, in direct sunlight, or shaded by tall grass. H. koelmaniorum prefers a soil with pH 6.4. From: Scott, CL. 1985. The genus Haworthia (Liliaceae): a taxonomic revision. Aloe Books, Johannesburg. [All rights reserved] As: Haworthia koelmaniorum Oberm. & D.S.Hardy
Sloping sandstone ridges, wedged into cracks. From: Retief, E; Herman, PPJ. 1997. Plants of the northern provinces of South Africa: Keys and diagnostic characters. Strelitzia 6: 1-681. National Botanical Institute, Pretoria. [CC BY] As: Haworthia koelmaniorum Oberm. & D.S.Hardy
H. koelmaniorum occurs in a small area in the central Transvaal. From: Scott, CL. 1985. The genus Haworthia (Liliaceae): a taxonomic revision. Aloe Books, Johannesburg. [All rights reserved] As: Haworthia koelmaniorum Oberm. & D.S.Hardy
This map contains point-based occurrences at different locations
This is a sensitive species therefore data has been redacted, click here to login.
Occurrence in the Flora of Southern Africa (FSA) countries and South African provinces. Residence status indicates if a taxon is indigenous, endemic, naturalised or invasive in a specific region. This data is based on specimen records and literature
FSA
SA
BOT
NAM
ESW
LES
WC
EC
NC
FS
GA
KZN
LP
MP
NW
Absent
Indigenous
Endemic
Naturalised
Invasive
Names and Sources
Published in: Syst. Bot. 39(1): 70 (2014)
Type: South Africa, Mpumalanga: Near Groblersdal, on north facing slopes in sandstone ridges, 1966, D.S. Hardy & A.A. Mauve 2267 (PRE0037965, holo.)
Haworthia koelmaniorum Oberm. & D.S.Hardy
Published in: Fl. Pl. Africa 38: t. 1502 (1967)
Haworthia limifolia Marloth subsp. koelmaniorum (Oberm. & D.S.Hardy) Halda
Published in: Acta Mus. Richnov., Sect. Nat. 4(2): 38 (1997)
Tulista koelmaniorum (Oberm. & D.S.Hardy) G.D.Rowley
Published in: Alsterworthia Int. Special Issue 10: 5 (2013)
Classification
KINGDOM Plantae
SUBKINGDOM Phanerogamae
PHYLUM Anthophyta
ORDER Asparagales
FAMILY Asphodelaceae
SUBFAMILY Alooideae
GENUS Haworthiopsis
SPECIES koelmaniorum
This species contains accepted infraspecific taxa:
8 results for Haworthiopsis koelmaniorum (Oberm. & D.S.Hardy) Boatwr. & J.C.Manning
Barcode: PRE0037965-0 Collector(s) & number: Hardy, DS, 2267 | 1966-6-22
Data Resource: BODATSA View record
Barcode: NBG0110366-0 Collector(s) & number: Hardy, DS, s.n. | --
Data Resource: BODATSA View record
Barcode: NBG0119248-0 Collector(s) & number: Hardy, 2267 | 1966-7-
Data Resource: BODATSA View record
Barcode: PRE0854945-0 Collector(s) & number: Grace, O, 98 | 2008-10-16
General notes: Small population occurring over the extent of the ridge.
Data Resource: BODATSA View record
Barcode: PRE0747960-0 Collector(s) & number: McMurtry, DM, 5247 | 1983-11-13
General notes: Section Retusae;
Data Resource: BODATSA View record
Barcode: PRE0854946-0 Collector(s) & number: Grace, O, 100 | 2008-10-16
Data Resource: BODATSA View record
Barcode: PRE0854948-0 Collector(s) & number: Grace, O, 99 | 2008-10-16
General notes: Restricted population, of which very few indiviuduals were observed due to burning.
Data Resource: BODATSA View record
Barcode: PRE0854947-0 Collector(s) & number: Grace, O, 102 | 2008-10-16
General notes: Localised.
Data Resource: BODATSA View record
This map contains point-based occurrences at different locations
This is a sensitive species therefore data has been redacted, click here to login.
2017
2016
PERIODICAL/JOURNAL
A synoptic review and new infrageneric classification for the genus Haworthiopsis (Xanthorrhoeaceae: Asphodeloideae) Gildenhuys, SD; Klopper, RRPhytotaxa 265(1)1-26
2014
2013
PERIODICAL/JOURNAL
Generic concepts in the Alooideae. Part 3 - The phylogenetic story [original with errors] Rowley, GDAlsterworthia International, Special Issue 10: 3-6
2013
PERIODICAL/JOURNAL
Generic concepts in the Alooideae. Part 3 (revised) - The phylogenetic story Rowley, GDAlsterworthia International, Special Issue 10: 3-6
1997
SERIES
Plants of the northern provinces of South Africa: Keys and diagnostic characters Retief, E; Herman, PPJStrelitzia 6: 1-681
National Botanical Institute, Pretoria
1985
No results found for Haworthiopsis koelmaniorum (Oberm. & D.S.Hardy) Boatwr. & J.C.Manning
| Part(s) of plant used | Use(s) | Reference |
|---|
Coming soon...
