Rhipidoglossum adoxum (F. N. Rasm.) Senghas

Macedo, Arthur, Trovó, Marcelo, Stévart, Tariq & Farminhão, João, 2025, A new species of Rhipidoglossum (Orchidaceae, Angraecinae) from the Western Rift Valley (Africa), Plant Ecology and Evolution 158 (2), pp. 248-259 : 248-259

Rhipidoglossum adoxum (F. N. Rasm.) Senghas ( Senghas 1986: 1110)

Fig. 1 , Table 1

Diaphananthe adoxa F. N. Rasm. ( Rasmussen 1974: 229)

Angraecopsis adoxa (F. N. Rasm.) R. Rice ( Rice 2005: 20)

Type

ETHIOPIA • Keffa Province: Bonga, near the catholic mission, on the path to the waterfall ; 2000 m; s. d.; DELB 73–52; holotype: C n. v.

Distribution

Ethiopia, Kenya, and South Sudan (Fig. 1 ).

Additional specimens examined

ETHIOPIA – Oromiya • East Wellega, ca 20 km along the road from Fincha to Shambu ; 2750 m; 28 Oct. 1982; fl. in cult. in 1983; B. Pettersson 252; UPS-V [ UPSV 035695 ], ETH • ca 22 km W of Nekempto [Nekemte]; 2100 m; 18 Sep. 1975; fl.; MG Gilbert & M Thulin 837; UPS-V [ UPSV 818878 ], K • Arsri, between Ginir and Awash ; 2060 m; 18 Apr. 1910; fl.; Drake-Brockman 212; K • Ilubabor, 3 km NE of Ghion, or 114 km SW of Addis-Ababa on the Jimma road ; 2350 m; 26 Aug. 1970; fl. in cult. in Addis-Ababa, in Aug. 1971 / 3 Sep. 1971; J. Ash 280; K spirit [Spirit: 35555.000] • ca 37 km N of Dembi ; 1700 m; 4 Nov. 1982; fl. in cult. in Dec. 1985; B. Pettersson 284; UPS-V [ UPSV 35737 ] • Jima, State Forest 17 km from Jimma ; 2000 m; 1 Sep. 1974; fl.; J. J. Bos 8546; BR [ BR 0000021550577 ], MO [ MO 6469113 ], WAG [ WAG.0027799 ] • on road to Agaro, 17 km from Jimma ; 2125 m; 30 Aug. 1972; fl.; C. J. P. Seegeler 2554 A; BR [ BR 0000021550584 ], MO [ MO 6469116 ], WAG [ WAG.1140106 , WAG.1140107 ] • in Badda Bunna forest, 10 km N of Jimma ; 1800 m; 19 Dec. 1961; fl.; G. Meyer 7760; K • forest station Beleta (40 km to WSW from Jimma), near the road Jimma-Gojeb river, 0.6 km to W from the station ; 2050 m; 31 Mar. 1998; fl., fr.; VN Pavlov 133; MW [ MW 0585829 ] • Bale, ca 35 km north of Dolo Menna (Masslo), on road to Goba ; 1950 m; 27 Oct. 1984; fr.; I. Friis, M. G. Gilbert, K. Vollesen 3560; K • 40 km NW of Kebre Mengist, along the road to Agere Selam ; 2300 m; 19 Jul. 1970; fl.; J. J. F. E. De Wilde 6697; BR [ BR 0000021829406 ], MO [ MO 2693397 ], WAG [ WAG.1140103 , WAG.1140104 ] . – South West Ethiopia • Keffa, Bonga, near Wush-Wush, about 20 km NW of Bonga ; 1800 m; 16 Aug. 1965; fl.; WJJO De Wilde & BEE De Wilde-Duyfjies 7743; BR [ BR 0000005868230 ], MO [ MO 2263803 ], WAG [ WAG.1140105 ] • forest area around small river behind the R. C. mission ; 1740 m; 20 Jul. 1975; fl.; P. C. M. Jansen 2140; BR [ BR 0000005689644 ], MO [ MO 6469122 ], WAG [ WAG.1140110 ] • Wush-Wush (small village near Bonga), near tea plantation of H. V. A. ; 22 Mar. 1976; fr.; P. C. M Jansen 5428; MO [ MO 6469130 ], WAG [ WAG.1140108 ] . – Sidama • Sidama ; 2200 m; s. d.; fl.; T. Hauger 1597; K drawing .

KENYA • Nyeri, Mweiga ; 8 May 1954; fl.; P. G. Archer 29787; K spirit • Mount Kenya ; s. d.; fl. in cult. in Kew 14 Apr. 1972; J. Stewart 1498; K spirit [Spirit: 28814.000] and drawing • Nairobi, Duke of York School [now Lenana School] ; 15 May 1963; fl.; Start 175 / 63; EA, K .

SOUTH SUDAN – Eastern Equatoria • Ikotos, Valley between Gilo and Mt. Konoro ; 1700 m; 16 Mar. 1982; fl.; I. Friis & K. Vollesen 1223; C, K .

Figures

Figure 1. Distribution map of Rhipidoglossum globulosocalcaratum, R. fischerianum, and R. adoxum in continental Tropical Africa. The question mark indicates the location of Irangi (Democratic Republic of the Congo), a point occurrence of R. globulosocalcaratum (Biedinger and Fischer 1996) yet to be confirmed.