New species in Orchidaceae from Madagascar
Author
Hermans, Johan
Herbarium, Royal Botanic Gardens, Kew, Richmond, Surrey, TW 9 3 AE UK. & Core Facility, Botanical Garden, University of Vienna, Rennweg 14, 1030 Vienna, Austria.
j.hermans@kew.org
Author
Rajaovelona, Landy
Kew Madagascar Conservation Centre, Lot II J 131 Ambodivoanjo, Ivandry, Madagascar.
Author
Cribb, Phillip
Herbarium, Royal Botanic Gardens, Kew, Richmond, Surrey, TW 9 3 AE UK.
text
Kew Bulletin
2021
2021-03-15
76
39
56
journal article
2755
10.1007/S12225-021-09923-W
624a3b62-c604-4b87-9708-c6db38493b05
5828128
Table 2. Main characteristics of the different variants of Aerangis fastuosa. | var. francoisii | var. grandidieriana | var. maculata | var. rotundifolia | var. vondrozensis |
|---|
| François 12 (P) | Grandidier s.n. (P) | Humbert 11845 (P) | Decary 5700 (P) | Decary 5188 (P) |
|---|
| Leaves (cm) | 1.8 – 3 × 1.2 – 1.6 | 4.5 – 6 × 2 – 2.7 | 1.5 – 2.7 × 1 – 1.5 | 2.5 – 3 × 2.5 | up to 6 × 3 |
|---|
| Dorsal sepal (mm) | 18 × 6 | 22 × 8 | 19 × 5.5 | 27 × 9 | 17 × 7 |
|---|
| Lateral sepals (mm) | 20 × 6 | 21 × 7 | 19 × 5.5 | 30 × 9 | 19 × 7 |
|---|
| Petals (mm) | 19 × 6 | 22 × 7 | 19 × 6 | 19 × 6 | 19 × 6 |
|---|
| Lip (mm) | 20 × 8 | 25 × 5 | 20 × 9 | 22 × 8 | 20 × 5.5 |
|---|
| Spur (cm) | 7 | 8 | 7 | Over 6 | Over 6 (damaged) |
|---|
| | | | (damaged) | |
|---|
| Distribution | Central | SW coast | S Central | SE | SE |
|---|
| Main differences | leaves more rounded | leaves small, bracts | leaves small, | leaves orbicular, | bracts wide, lip |
|---|
| from typical form | and more obovate, | obtuse, spur long | obovate-oblong | flowers larger | obovate, anther |
|---|
| single flower | | spotted with red | | obtuse |
|---|