PLANTAE / PHANEROGAMAE / ANTHOPHYTA / POALES / POACEAE / POOIDEAE / AVENEAE / TRISETOPSIS / ROGERELLISII
Densely tufted perennial 300-600 mm high. Leaf blade 100-200 x to 1.5 mm, setaceous. Inflorescence open; branches spreading, bare for most of their length; spikelets fewer than 20. Spikelet 13-18 mm long (excluding awns), usually loosely flowered; glumes unequal, narrowly lanceolate, acute; lower glume 1-nerved, glabrous even along the nerve; upper glume about 2/3 as long as spikelet, 3-nerved; rachilla internode 2.8-3.3 mm long, densely hairy; lemma glabrous, lobe 1.5-2.5 mm long from above the central awn insertion; anther 3.8 mm long. From: Mashau, AC. 2015. Helictotrichon Besser. In: L Fish, AC Mashau, MJ Moeaha & MT Nembudani (eds), Identification guide to the southern Africa grasses. An identification manual with keys, descriptions and distributions. Strelitzia 36: 363-371. South African National Biodiversity Institute, Pretoria. [CC BY] As: Helictotrichon rogerellisii Mashau, Fish & A.E.van Wyk
Tufted perennial to 60 cm. Leaves setaceous-involute. Spikelets 13-18 mm long, in an open panicle with short, scattered hairs on branches and pedicels, upper glumes two thirds as long as spikelet, lemmas scaberulous, rachilla internodes hairy. From: Manning, JC; Goldblatt, P; Linder, HP. 2012. Poaceae: Helictotrichon Besser ex Roem. & Schult. In: J Manning & P Goldblatt (eds), Plants of the Greater Cape Floristic Region 1: The Core Cape flora. Strelitzia 29: 212-213. South African National Biodiversity Institute, Pretoria. [CC BY] As: Helictotrichon rogerellisii Mashau, Fish & A.E.van Wyk
This species has setaceous leaves, an open, lax panicle with very few spikelets and long rachilla internodes. This combination of characters is not matched in any other southern African Helictotrichon species. From: Mashau, AC. 2015. Helictotrichon Besser. In: L Fish, AC Mashau, MJ Moeaha & MT Nembudani (eds), Identification guide to the southern Africa grasses. An identification manual with keys, descriptions and distributions. Strelitzia 36: 363-371. South African National Biodiversity Institute, Pretoria. [CC BY] As: Helictotrichon rogerellisii Mashau, Fish & A.E.van Wyk
In shallow humic soils between limestone outcrops. From: Mashau, AC. 2015. Helictotrichon Besser. In: L Fish, AC Mashau, MJ Moeaha & MT Nembudani (eds), Identification guide to the southern Africa grasses. An identification manual with keys, descriptions and distributions. Strelitzia 36: 363-371. South African National Biodiversity Institute, Pretoria. [CC BY] As: Helictotrichon rogerellisii Mashau, Fish & A.E.van Wyk
Limestone outcrops. From: Manning, JC; Goldblatt, P; Linder, HP. 2012. Poaceae: Helictotrichon Besser ex Roem. & Schult. In: J Manning & P Goldblatt (eds), Plants of the Greater Cape Floristic Region 1: The Core Cape flora. Strelitzia 29: 212-213. South African National Biodiversity Institute, Pretoria. [CC BY] As: Helictotrichon rogerellisii Mashau, Fish & A.E.van Wyk
Collected by Ellis on two occasions at De Hoop. WC. From: Mashau, AC. 2015. Helictotrichon Besser. In: L Fish, AC Mashau, MJ Moeaha & MT Nembudani (eds), Identification guide to the southern Africa grasses. An identification manual with keys, descriptions and distributions. Strelitzia 36: 363-371. South African National Biodiversity Institute, Pretoria. [CC BY] As: Helictotrichon rogerellisii Mashau, Fish & A.E.van Wyk
De Hoop. From: Manning, JC; Goldblatt, P; Linder, HP. 2012. Poaceae: Helictotrichon Besser ex Roem. & Schult. In: J Manning & P Goldblatt (eds), Plants of the Greater Cape Floristic Region 1: The Core Cape flora. Strelitzia 29: 212-213. South African National Biodiversity Institute, Pretoria. [CC BY] As: Helictotrichon rogerellisii Mashau, Fish & A.E.van Wyk
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
Published in: Schlechtendalia 25: 60 (2013)
Helictotrichon rogerellisii Mashau, Fish & A.E.van Wyk
Published in: Bothalia 40(2): 179 (2010)
Classification
KINGDOM Plantae
SUBKINGDOM Phanerogamae
PHYLUM Anthophyta
ORDER Poales
FAMILY Poaceae
SUBFAMILY Pooideae
TRIBE Aveneae
GENUS Trisetopsis
SPECIES rogerellisii
0 results for Trisetopsis rogerellisii (Mashau, Fish & A.E.van Wyk) Roser & A.Wolk
Year
Province
This map contains point-based occurrences at different locations
2015
SERIES CHAPTER
Helictotrichon Besser Mashau, ACIn: L Fish, AC Mashau, MJ Moeaha & MT Nembudani (eds), Identification guide to the southern Africa grasses. An identification manual with keys, descriptions and distributions. Strelitzia 36: 363-371
South African National Biodiversity Institute, Pretoria
2013
PERIODICAL/JOURNAL
The new genus Trisetopsis and new combinations in oat-like grasses (Poaceae) Wolk, A; Roser, MSchlechtendalia 25: 57-61
2012
SERIES CHAPTER
Poaceae: Helictotrichon Besser ex Roem. & Schult. Manning, JC; Goldblatt, P; Linder, HPIn: J Manning & P Goldblatt (eds), Plants of the Greater Cape Floristic Region 1: The Core Cape flora. Strelitzia 29: 212-213
South African National Biodiversity Institute, Pretoria
2010
PERIODICAL/JOURNAL
Two new species of Helictotrichon (Pooideae: Aveneae) from South Africa. Fish, L; Mashau, AC; Van Wyk, AEBothalia 40(2)179-183
No results found for Trisetopsis rogerellisii (Mashau, Fish & A.E.van Wyk) Roser & A.Wolk
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