PLANTAE / PHANEROGAMAE / ANTHOPHYTA / ASPARAGALES / ASPHODELACEAE / ALOOIDEAE / HAWORTHIA / CYMBIFORMIS / INCURVULA

Haworthia cymbiformis (Haw.) Duval var. incurvula (Poelln.) M.B.Bayer
Indigenous Endemic
Morphological description

Plants acaulescent, with leaves in a basal rosette about 2.5 to 8 cm diam., slowly proliferous from the base. Leaves numerous, the young erect to spreading, the tips incurved, the old spreading, tips incurved, up to 5 cm long, up to 18 mm broad, up to 5 mm thick, ovate to elongate, bluntly tapering, green; upper surface turgid, flat below, pellucid, with about 5 to 9 green reticulate lines, smooth; lower surface convex, smooth, semi-pellucid, with 5 to 10 reticulate green lines; keel 1, centrally positioned in the upper third, smooth. Inflorescence about 36 cm tall; peduncle simple, terete, about 2 mm diam., about 14 cm tall, bracteate, sterile bracts membranous, ovate, long acuminate, about 7 mm long, erect, keeled; raceme about 22 cm long, lax, with about 25 spirally arranged flowers and buds, 2 to 3 open at a time; floral bracts membranous, 6 mm long, deltoid, acute, keeled with fine reddish-brown veins, clasping the pedicels, (longer than the pedicels); pedicels 4 mm long, 1 mm diam., brown, erect; perianth white with brown keels to the segments, constricted to 3 mm above, curved; segments free to the base, limb 2 lipped; posterior segments recurved, spreading, white with brown veins; exterior part much recurved, spreading, white with brownish veins; stamens 6 of two lengths 7 and 8 mm long, inserted within the perianth tube; ovary 5 mm long, 2 mm diam., green; style 1.05 mm long, curved, capitate. From: Scott, CL. 1985. The genus Haworthia (Liliaceae): a taxonomic revision. Aloe Books, Johannesburg. [All rights reserved] As: Haworthia incurvula Poelln.

Diagnostic description

However H. incurvula is a distinct species, and is readily separated from H. cymbiformis. From: Scott, CL. 1985. The genus Haworthia (Liliaceae): a taxonomic revision. Aloe Books, Johannesburg. [All rights reserved] As: Haworthia incurvula Poelln.

Habitat

It is a constituent of Portulacaria scrubland, growing under dry conditions against hillsides. It receives an annual summer rainfall of 250 to 375 mm. The summers are hot and winters cold, often with frost. H. incurvula grows in a firm hard soil with pH 6.8. From: Scott, CL. 1985. The genus Haworthia (Liliaceae): a taxonomic revision. Aloe Books, Johannesburg. [All rights reserved] As: Haworthia incurvula Poelln.

Distribution

H. incurvula occurs in the eastern Cape Province in the environs of Grahamstown. From: Scott, CL. 1985. The genus Haworthia (Liliaceae): a taxonomic revision. Aloe Books, Johannesburg. [All rights reserved] As: Haworthia incurvula Poelln.

Altitude

0 to 500 m

Occurrence records map

This map contains point-based occurrences at different locations

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Residence status

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

Accepted name
Haworthia cymbiformis (Haw.) Duval var. incurvula (Poelln.) M.B.Bayer

Published in: Haworthia Handbook: 124 (1976)

Type: South Africa, Pluto's Vale, Britten s.n. BOL 71307 (BOL, neo.) Neotype designated by Breuer & Metzing, Taxon 46: (1997).

Synonym(s)

Haworthia incurvula Poelln.

Published in: Repert. Spec. Nov. Regni Veg. 31: 85 (1932)


Classification

KINGDOM Plantae

SUBKINGDOM Phanerogamae

PHYLUM Anthophyta

ORDER Asparagales

FAMILY Asphodelaceae

SUBFAMILY Alooideae

GENUS Haworthia

SPECIES cymbiformis

VARIETY incurvula

32 results for Haworthia cymbiformis (Haw.) Duval var. incurvula (Poelln.) M.B.Bayer

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Specimen records

Barcode: PRE0112556-0 Collector(s) & number: Britten, GV, PRE 39477 | 1938-11-

Data Resource: BODATSA View record

Barcode: PRE0037863-0 Collector(s) & number: Dyer, RA, 2082 | 1929-9-

General notes: Figured for Flowering Plants of South Africa by C. Letty.

Data Resource: BODATSA View record

Barcode: PRE0037864-0 Collector(s) & number: Britten, GV, PRE 34909 | --

Data Resource: BODATSA View record

Barcode: NBG0068121-0 Collector(s) & number: Smith, GG, N.B.G. 340/35 | 1943-2-10

Data Resource: BODATSA View record

Barcode: NBG0068125-0 Collector(s) & number: Read, E, N.B.G. 1110/36 | 1943-4-7

Data Resource: BODATSA View record

Barcode: NBG0274909-0 Collector(s) & number: Luyt, JF, N.B.G. 302/45 | 1945-10-2

General notes: G.G. Smith 6164.

Data Resource: BODATSA View record

Barcode: NBG0274910-0 Collector(s) & number: Smith, GG, N.B.G. 322/40 | 1943-2-10

General notes: Hort. Kirstenbosch. Nursery.

Data Resource: BODATSA View record

Barcode: NBG0118847-0 Collector(s) & number: Smith, GG, 915 | --

Data Resource: BODATSA View record

Barcode: NBG0111885-0 Collector(s) & number: Britten, 1123 | 1936-10-

General notes: Plant received from Miss Britten of Albany Museum, in October 1936.

Data Resource: BODATSA View record

Barcode: NBG0118850-0 Collector(s) & number: Smith, GG, 5403 | --

General notes: Lower N aspect, in valley.

Data Resource: BODATSA View record

Barcode: PRE0037866-0 Collector(s) & number: Long, FR, 1404 | 1936-8-2

Data Resource: BODATSA View record

Barcode: NBG0118851-0 Collector(s) & number: Ferguson, E, s.n. | 1936-4-

Data Resource: BODATSA View record

Barcode: PRE0794015-0 Collector(s) & number: Britten, GV, PRE 34959 | --

Data Resource: BODATSA View record

Barcode: NBG0274908-0 Collector(s) & number: Ayres, H, 705/30 | 1938-8-

General notes: Hort. Kirstenbosch.

Data Resource: BODATSA View record

Barcode: NBG0068124-0 Collector(s) & number: Barker, WF, s.n. | 1941-9-22

General notes: Hort. Karoo Garden, Whitehill.

Data Resource: BODATSA View record

Barcode: NBG0068395-0 Collector(s) & number: Luckhoff, J, N.B.G. 404/34 | 1944-10-19

General notes: Hort. Kirstenbosch. Nursery.

Data Resource: BODATSA View record

Barcode: NBG0068376-0 Collector(s) & number: Dyer, RA, N.B.G. 1803/30 | 1943-2-10

General notes: Hort. Kirstenbosch. Nursery.

Data Resource: BODATSA View record

Barcode: NBG0068123-0 Collector(s) & number: Ayres, H, N.B.G. 705/30 | 1943-2-8

General notes: Hort. Kirstenbosch. Nursery. Inflorescence 11 October 1943.

Data Resource: BODATSA View record

Barcode: NBG0069051-0 Collector(s) & number: Smith, GG, 915 | 1936-7-

General notes: On stony/rocky slopes facing south.

Data Resource: BODATSA View record

Barcode: NBG0118848-0 Collector(s) & number: Ferguson, E, 2 | 1930--

Data Resource: BODATSA View record

Barcode: NBG0274911-0 Collector(s) & number: Blackbeard, GI, Fourc. 99 | --

Data Resource: BODATSA View record

Barcode: NBG0118849-0 Collector(s) & number: Dyer, RA, Plate 356 | --

Data Resource: BODATSA View record

Barcode: NBG0111892-0 Collector(s) & number: Smith, GG, 5402 | 1942-11-

General notes: In valley.

Data Resource: BODATSA View record

Barcode: PRE0834955-0 Collector(s) & number: Smith, GG, 5402 | 1942-11-

General notes: Det: M.B. Bayer

Data Resource: BODATSA View record

Barcode: NBG0068122-0 Collector(s) & number: Luyt, JF, N.B.G. 306/45 | 1945-10-2

General notes: G.G. Smith 6162.

Data Resource: BODATSA View record

Barcode: PRE0037865-0 Collector(s) & number: Erens, J, PRE 34910 | --

Data Resource: BODATSA View record

Barcode: PRE0036453-0 Collector(s) & number: Reynolds, GW, 2948 | 1938--

Data Resource: BODATSA View record

Barcode: NBG0067992-0 Collector(s) & number: Smith, GG, 1123 | 1945-11-5

General notes: N.B.G. 363/45.

Data Resource: BODATSA View record

Barcode: NBG0274912-0 Collector(s) & number: Unknown, KG 253/10 | --

Data Resource: BODATSA View record

Observation records

Date: 1/26/2023 3:35:00 PM

Data Resource: iNaturalist View record

Plant occurence records per dataset

Plant occurence records per year

Occurrence records map

This map contains point-based occurrences at different locations

iNaturalist: BODATSA: Data partners records:
This is a sensitive species therefore data has been redacted, click here to login.

2012

PERIODICAL/JOURNAL

The Haworthia Nomenclator: A list of accepted species with some guidelines for infrapecific names Bayer, MB; Manning, JC

Haworthiad: 1-23

1999

BOOK

Haworthia revisited: a revision of the genus Bayer, MB

Umdaus Press, Hatfield

1985

BOOK

The genus Haworthia (Liliaceae): a taxonomic revision Scott, CL

Aloe Books, Johannesburg

1976

BOOK

Haworthia Handbook Bayer, MB

NBG, Cape Town

1932

PERIODICAL/JOURNAL

Von Poellnitz, K

Repertorium Specierum Novarum Regni Vegetabilis 31:

1929

PERIODICAL/JOURNAL

Haworthia cymbiformis Haw. var. planifolia Phillips, EP; Letty, CL

Flowering Plants of South Africa 9: , t.356

No results found for Haworthia cymbiformis (Haw.) Duval var. incurvula (Poelln.) M.B.Bayer

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