Disperis thorncroftii Schltr.
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publication ID |
https://doi.org/ 10.5281/zenodo.5186519 |
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persistent identifier |
https://treatment.plazi.org/id/03D987CB-5E1E-FFEB-18A3-546BFD24FB5E |
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treatment provided by |
Carolina |
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scientific name |
Disperis thorncroftii Schltr. |
| status |
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56. Disperis thorncroftii Schltr. View in CoL
Bot. Jahrb. Syst. 20, Beibl. 50: 19 (1895), Bull. Herb. Boissier , ser. 1, 6: 933 (1898); Rolfe, Fl. Cap. 5, 3: 309 (1913); la Croix F P. J . Cribb , Fl. Zambes.: 246 (1995); J. C . Manning in H. P . Linder F Kurzweil , Orch. S . Afr.: 305 (1999). — Type: South Africa, Eastern Cape, Galpin 1688b (syn-, B †); South Africa, “Transvaal”, Thorncroft 505 (syn-, NH) .
Plants to 260 mm. Leaves 2, alternate, ovate, 15-45 × 6-33 mm. Flowers 1-3, white or lilac; median sepal lanceolate, hooded, 7-9 × 3 mm, lateral sepals ovate, 6-8 × 3-4.5 mm; petals rotund, clawed, 6-7 × 4-5 mm, pubescent; lip blade ovate, appendage oblong, reflexed ( Fig. 10 View FIG ).
DISTRIBUTION AND PHENOLOGY. — South Africa (Western and Eastern Cape, KwaZulu- Natal, Mpumalanga) and Zimbabwe; on forest floor at 900-3050 m. Flowering in November and December .
GROUP 8: “CAPENSIS GROUP” (SPECIES 57); FIGURE 11 View FIG
Hirsute herb. Leaves two, alternate. Median sepal ovate and deeply galeate, laterals free, all three with long caudae; lip claw reflexed but soon curved forwards, terminating in a tapering lorate blade, appendage lorate.
DIAGNOSIS AND RELATIONSHIPS. — In its flower morphology this species is unlike any other species in the genus. Preliminary molecular data suggest t h a t t h e s p e c i e s f o r m s a c l a d e t o g e t h e r w i t h Disperis paludosa (STEINER pers. comm.).
DISTRIBUTION. — South-western South Africa.
| F |
Field Museum of Natural History, Botany Department |
| P |
Museum National d' Histoire Naturelle, Paris (MNHN) - Vascular Plants |
| J |
University of the Witwatersrand |
| C |
University of Copenhagen |
| H |
University of Helsinki |
| S |
Department of Botany, Swedish Museum of Natural History |
| B |
Botanischer Garten und Botanisches Museum Berlin-Dahlem, Zentraleinrichtung der Freien Universitaet |
| NH |
South African National Biodiversity Institute |
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