Bulbophyllum sondangii Vuong & Aver. A. Flattened 2023, sp. nov.
In: Bulbophyllum sondangii (Orchidaceae), 2023, S. 203-208
unknown
Zugriff:
B. sondangii Vuong & Aver., sp. nov. (Fig. 1) Type:— VIETNAM, Lam Dong Province, Trai Mat Town, epiphyte on tree trunk, in broad-leaved forest around Hang Cop Waterfall at elevation about 1343 m a.s.l., 19 June 2020, Truong Ba Vuong, Phan Trong Quyet, BV 704 (holotype, VNM 00043100!). Paratypes:— VIETNAM, Lam Dong Province, Lac Duong District, remnant forest around Da Sar Commune at elevation about 1487 m a.s.l., 25 June 2022, Truong Ba Vuong, Phan Trong Quyet, BV 1610 (VNM 00069964), BV 1611 (VNM 00069965!). Etymology: —The species is named after Dr. Dang Van Son (Curator of the VNM Herbarium, Institute of Tropical Biology, Vietnam), Truong Ba Vuong’s PhD advisor, for his immense knowledge and contribution to plant taxonomy. Description:—Habit creeping perennial epiphytic herb. Pseudobulbs 1-leaved, yellowish- green, ovoid, slightly oblique, 2–3 cm tall, distant on creeping brown rhizome, covered by brownish bracts. Leaves petiolate; petiole 1–2 cm long, slightly curved; leaf blade oblong, 10–15 cm long, 2–3 cm wide, obtuse and slightly retuse. Inflorescence arising from the base of pseudobulbs, ascending and erect; peduncle yellowish-green, with many purple marks, 20–23 cm long, at base with 1–2 overlapping, tubular bracts, above with 3 distant tubular bracts; rachis 1–1.5 mm long, bearing 12 flowers in form of sub-umbellate raceme; floral bracts narrowly triangular ovate t, dull yellowish, flushed with red at base, 6–7 mm long, 3–3.5 mm wide, obtuse; pedicel and ovary yellowish-green with many reddish marks, 1.5–1.6 cm long. Flower s opening simultaneously; median sepal pale yellowish green with many dark red spots; lateral sepals yellowish to reddish, more dark at base, with many red-reddish spots; petals yellowish with 3 red purple stripes; lip reddish purple, with many dark red dots adaxially, yellow at base. Dorsal sepal almost circular, 5–6 mm long and wide, with a short seta and few stiff hairs at apex. Lateral sepals narrowly obovate in outline, oblique, 23–25 mm long, 5–6 mm wide, acute, at base ...
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Bulbophyllum sondangii Vuong & Aver. A. Flattened 2023, sp. nov.
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Autor/in / Beteiligte Person: | Dang, Minh Quan ; Averyanov, Leonid V. ; Maisak, Tatiana V. ; Nguyen, Quoc Bao ; Bui, Van Huong ; Tu, Bao Ngan ; Nguyen, Van Canh ; Truong, Ba Vuong |
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Zeitschrift: | Bulbophyllum sondangii (Orchidaceae), 2023, S. 203-208 |
Veröffentlichung: | 2023 |
Medientyp: | unknown |
DOI: | 10.5281/zenodo.7766599 |
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