PLANTAE / PHANEROGAMAE / ANTHOPHYTA / LAMIALES / SCROPHULARIACEAE / HEMIMERIDEAE / DIASCIA / TUGELENSIS
Stoloniferous perennial herb, stems many from the crown, tufted, branching, up to c. 450 mm long, c. 2 mm diam., decumbent, rooting near the base, glabrous, becoming glandular-puberulous only on the inflorescence branches. Leaves mostly 8-25 x 6-15 mm (ratio 1-1.5:1), ovate, apex subacute, base subcordate, margins serrate, glabrous; petioles 3-10 mm long. Flowers few to several in lax terminal racemes; bracts up to 7 x 4 mm, lanceolate, margins serrate, a few gland-tipped hairs often present; pedicels c. 25-50 mm long, spreading at an angle of c. 90°-45°, glandular-puberulous, hairs scarcely 0.25 mm long. Calyx segments lanceolate, reflexed, two anticous ones 3-4 x 1.5-1.75 mm, three posticous ones slightly smaller, all green, glandular-puberulous. Corolla tube c. 5-6 mm long, invaginated, two lateral spurs 5-7 mm long, curved forward, with a patch of dark globular sessile glands within at the swollen tips; limb c. 20-23 x 18-20 mm, anticous lobe c. 9-11 x 10-11 mm, two lateral lobes 5.5-7 x 5-7 mm, two posticous lobes 4-5 x 5 mm, all lobes suborbicular, rose-pink, sparsely glandular-pilose outside, palate without dark sessile gland dots, deeply channelled down the back and along the floor of the tube to accommodate the filaments, the “window” concave, c. 1.5 mm deep, yellow and maroon. Stamens projecting forward from the base of the boss produced by the invaginated corolla tube; filaments c. 4 mm long, glandular-puberulous; anthers c. 1.25 mm long, cohering strongly, pollen yellow. Ovary c. 1.5-2 x 1 mm, deltoid in outline, ovules many in each loculus; style 2.75-3 mm long; stigma capitate, lying between the anthers. Capsule (5-)9-14 x 4-5 mm, oblanceolate in outline; seeds 1.25 mm long, narrowly winged, not ridged. From: Burtt, BL; Hilliard, OM. 1984. A revision of Diascia section Racemosa. J. S. African Bot. 50: 269-340. [CC BY]
Perennial herb, up to 0.45 m long. Stems erect to semiprostrate, stoloniferous, tufted branches from base. Leaves with blade ovate, 8-25 x 6-15 mm, apex subacute, base subcordate, glabrous, margins serrate; petioles 3-10 mm long. Flowers: in lax racemes, 22-28 x 16-20 mm; pedicels with hairs < 0.25 mm long; style 2.75-3.00 mm long; calyx lobes lanceolate, reflexed; spurs 5-7 mm long, curved forward, with patch of dark, globular sessile glands at swollen tips; corolla tube 5-6 mm long, rounded lobes, lobes mostly rose-pink, dark gland dots absent from mouth, window yellow and maroon; Jan.-Apr. From: Bester, SP; Retief, E; Meyer, NL. 2017. Scrophulariaceae. In: E Retief & NL Meyer (eds), Plants of the Free State: Inventory and identification guide. Strelitzia 38: 755-793. South African National Biodiversity Institute, Pretoria. [CC BY]
Diascia tugelensis is allied to D. vigilis with which it is sympatric, and they may occupy similar habitats, but living plants are easily distinguished because the corolla of D. tugelensis lacks dark sessile glands on the palate, which is channelled, so that the filaments project forward along this groove; in D. vigilis the palate is raised, not grooved, and a patch of dark glands lies on the face of this hump. Also, in D. tugelensis the corolla tube is sufficiently invaginated to push the calyx lobes back into the reflexed position; in D. vigilis, the calyx lobes lie flat against the back of the corolla because the tube is scarcely invaginated. In no species other than D. tugelensis have we seen spurs with remarkably swollen tips The rather small leaves, long nude peduncles, and well-spaced flowers on long spreading pedicels impart a characteristic facies. From: Burtt, BL; Hilliard, OM. 1984. A revision of Diascia section Racemosa. J. S. African Bot. 50: 269-340. [CC BY]
At higher altitudes, the plants grow in the crevices and along the foot of wet basalt cliffs, but Schelpe recorded it near rock flushes and along stream-banks on the bleak plateau below the summit of Mont-aux-Sources, while we found it in wet gravel in the rocky streambed of Sentinel gully at its confluence with the gorge of the Tugela. From: Burtt, BL; Hilliard, OM. 1984. A revision of Diascia section Racemosa. J. S. African Bot. 50: 269-340. [CC BY]
Mesic Grassland. In cliff crevices and bases of wet basalt cliffs, along streambanks and gravelly streambeds. From: Bester, SP; Retief, E; Meyer, NL. 2017. Scrophulariaceae. In: E Retief & NL Meyer (eds), Plants of the Free State: Inventory and identification guide. Strelitzia 38: 755-793. South African National Biodiversity Institute, Pretoria. [CC BY]
Diascia tugelensis has been recorded from the Drakensberg near the sources of the Tugela river. From: Burtt, BL; Hilliard, OM. 1984. A revision of Diascia section Racemosa. J. S. African Bot. 50: 269-340. [CC BY]
January to April
1800 to 3355 m
This map contains point-based occurrences at different locations
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
Classification
KINGDOM Plantae
SUBKINGDOM Phanerogamae
PHYLUM Anthophyta
ORDER Lamiales
FAMILY Scrophulariaceae
TRIBE Hemimerideae
GENUS Diascia
SPECIES tugelensis
13 results for Diascia tugelensis Hilliard & B.L.Burtt
Barcode: NBG1469039-0 Collector(s) & number: Steiner, KE, 570 | 1984-11-2
South Africa, Free State, Sentinel chain ladder trail, ca. 1 km from chain ladder.
Data Resource: BODATSA View record
Barcode: NBG1469044-2 Collector(s) & number: Rourke, JP, 1520 | 1976-3-3
South Africa, Free State, The Witches ( north side) near the Sentinel, Mont Aux Sources.
Data Resource: BODATSA View record
Barcode: NBG1469040-0 Collector(s) & number: Steiner, KE, 566 | 1984-1-25
South Africa, Free State, Plateau above amphitheatre, 50 m south of path between chain ladder and Tugela Falls.
Data Resource: BODATSA View record
Barcode: NBG1469042-0 Collector(s) & number: Steiner, K, 877 | 1985-2-17
South Africa, Free State, Common at base of basalt cliffs on Steep W = facing slope ca. 20 m above path, between Sentinel and chain ladder.
Data Resource: BODATSA View record
Barcode: NBG1469044-1 Collector(s) & number: Rourke, JP, 1520 | 1976-3-3
South Africa, Free State, The Witches ( north side) near the Sentinel, Mont Aux Sources.
Data Resource: BODATSA View record
Barcode: NBG1469037-0 Collector(s) & number: Steiner, KE, 572 | 1984-1-25
South Africa, Free State, ca. 20 m above trail to Sentinel at base of the Witches.
Data Resource: BODATSA View record
Barcode: PRE0656636-0 Collector(s) & number: Steiner, KE, 566 | 1984-1-25
South Africa, Free State, BETHLEHEM; PLATEAU ABOVE AMPHITHEATRE, 50 M. SOUTH OFPATH BETWEEN CHAIN LADDER AND TUGELA FAL
Data Resource: BODATSA View record
Barcode: PRE0656637-0 Collector(s) & number: Steiner, KE, 566 | 1984-1-25
South Africa, Free State, BETHLEHEM; PLATEAU ABOVE AMPHITHEATRE, 50 M. SOUTH OF PATH BETWEEN CHAIN LADDER/TUGELA FALL
Data Resource: BODATSA View record
Barcode: PRE0656595-0 Collector(s) & number: Steiner, KE, 570 | 1984-1-25
South Africa, Free State, BETHLEHEM; SENTINEL CHAIN LADDER TRAIL, C. 1 KM FROM CHAIN LADDER. IN STEEP KLOOF
Data Resource: BODATSA View record
Barcode: NBG1469038-0 Collector(s) & number: Matthews, GC, 760 | 1982-1-15
South Africa, Free State, Between rock at north - wes
Data Resource: BODATSA View record
Barcode: NBG1469047-0 Collector(s) & number: Matthews, GC, 746 | 1982-1-14
South Africa, Free State, The Witches on lower north west slopes Mont Aux Sources area.
Data Resource: BODATSA View record
Barcode: NBG1469043-0 Collector(s) & number: Steiner, KE, 571 | 1984-1-25
South Africa, Free State, CA. 20 m above trail to Sentinel at base of the Witches.
Data Resource: BODATSA View record
Barcode: NBG1469046-0 Collector(s) & number: Dyke, ESC, 5452 | 1913-4-
South Africa, Free State, Mont Aux Sources.
Data Resource: BODATSA View record
This map contains point-based occurrences at different locations
2017
SERIES CHAPTER
Scrophulariaceae Bester, SP; Retief, E; Meyer, NLIn: E Retief & NL Meyer (eds), Plants of the Free State: Inventory and identification guide. Strelitzia 38: 755-793
South African National Biodiversity Institute, Pretoria
1984
PERIODICAL/JOURNAL
A revision of Diascia section Racemosa Burtt, BL; Hilliard, OMJournal of South African Botany 50: 269-340
No results found for Diascia tugelensis Hilliard & B.L.Burtt
Status and criteria
LC
Assessor(s)
Plantae Coordinator
BOOK
Van Wyk, B.-E. and Smith, G.F. 2014. Guide to the Aloes of South Africa. Briza Publications
JOURNAL ARTICLE
Van Wyk, C.M. and Van der Walt, J.J.A. 1995. Three subspecies of Pelargonium laevigatum (Geraniaceae). Bothalia. 25:133-139
THESIS
Van Zyl, L. 2000. A systematic revision of Zygophyllum (Zygophyllaceae) in the southern African region. Botany. University of Stellenbosch
JOURNAL ARTICLE
Van Zyl, L. and Marais, E.M. 1997. Two new species of Zygophyllum (Zygophyllaceae) from the Western Cape, South Africa. Bothalia. 27:129-133
JOURNAL ARTICLE
Van Zyl, L. and Marais, E.M. 1999. Three new species of Zygophyllum (Zygophyllaceae) from Namibia and Northern Cape, South Africa. Bothalia. 29:231-237
THESIS
Venter, A.M. 2000. Taxonomy of the genus Lycium (Solanaceae) in Africa. University of the Orange Free State
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