Acanthopsis, , Clarke, 1901
publication ID |
https://doi.org/ 10.11646/phytotaxa.244.2.3 |
persistent identifier |
https://treatment.plazi.org/id/FC530A4C-255C-3E04-FF01-A661CAD7F85F |
treatment provided by |
Felipe |
scientific name |
Acanthopsis |
status |
|
Key to the shrublet species of Acanthopsis View in CoL (species are also compared in Table 1)
1. Inflorescences <30(–35) mm long; middle to upper bracts with central primary spine spatulate (Namaqualand, Northern Cape).... ................................................................................................................................................................................... 1. A. spathularis View in CoL
- Inflorescences (25–)30–70(–90) mm long, middle to upper bracts with central primary spine ensiform, narrowly triangular or ovate (but never spatulate)...........................................................................................................................................................................2
2. Leaves lanceolate to linear, margin very coarsely dentate-spinose; spines rigid, 4–7 mm long, yellow; bract spines silky hairy on margins ............................................................................................................................................................................ 2. A. horrida View in CoL
- Leaves lanceolate to oblanceolate, margin coarsely dentate-spinose; spines fine to rigid, 1–4 mm long, orange-brown; bract spines never silky hairy on margins..............................................................................................................................................................3
3. Middle to upper bracts ending in 5 drawn-out, narrowly triangular primary spines, corolla throat white ........................ 3. A. erosa View in CoL
- Middle to upper bracts ending in 3 ovate, mucronate to spinose lobes, corolla throat lemon-yellow ......................... 4. A. dregeana View in CoL
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