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LOÀI

Tên Khoa học: Bulbophyllum parviflorum Par. et Rchb.f.
Tên tiếng Anh:
Tên tiếng Việt:
Tên khác:

MÔ TẢ CHUNG

Creeping lithophytic and epiphytic herb with rhizome (10)15-25(30) cm long, (1.8)2-4(4.5) mm in diam., with pseudobulbs distant on 2-5(6) cm apart. Pseudobulbs subglobular to broadly ovoid conical, (0.6)0.8-1.2(1.4) mm tall and wide. Leaves petiolate; petiole (1.4)1.6-2(3) cm long, 1-2 mm in diam.; leaf blade lanceolate to oblong lanceolate, (6)8-10(12) cm long, (0.8)1-1.8(2) cm wide, obtuse to acute. Inflorescence glabrous, erect or patent, dense, secund, many-flowered raceme, (7)8-18(20) cm long; peduncle (5)6-8(10) cm long, with 3-6 sterile, narrowly ovate bracts to 8 mm long; rachis (2)3-8(10) cm long. Floral bracts narrowly ovate to triangular, (1.5)2-3(3.5) mm long, 0.8-1 mm wide, acute. Flowers white, not widely opening, all or many opening in one time. Pedicel and ovary filiform, (1.8)2(2.2) mm long. Sepals and petals subsimilar, broadly lanceolate triangular, (2.8)3-3.4(4) mm long, acute, ciliate along margin, median sepal (0.5)0.6-0.7 mm wide, lateral sepal (0.7)0.8-1(1.2) mm wide. Petals narrowly ovate elliptic, (1.1)1.2(1.3) mm long, 0.4-0.5 mm wide, acute, ciliate along margin, glabrous on surfaces. Lip recurved, oblong, (1.5)1.6-1.8(2) mm long, 0.5-0.6(0.7) mm wide, rounded, papillose, ciliate along margin, grooved in basal part. Column 0.4-0.5 mm tall and wide, stelidia narrowly triangular, obtuse, 0.4-0.5 mm long. Anther cap helmet shaped, finely papillose.

Habitat, phenology and conservation status.

Creeping epiphyte and lithophyte. Primary and secondary broad-leaved and coniferous evergreen forests on any kind of mother rocks. 500–700 m. Fl. December.

Occasional, locally common.

Tentatively estimated

IUCN Red List status - DD.

Distribution.

Cambodia: Sihanoukville town area (Kaoh Rong Samoloem Khong Island),

Laos: Vientiane province (Phou Khao Khouay national protected area),

Vietnam: Bac Can (Na Ri district), Dak Lak and Dien Bien provinces.

Bhutan, NE. India, Myanmar, Thailand.

ẢNH

Bulbophyllum nigripetalum and Bulbophyllum parviflorum on Taiwania 62(1).jpg at www.BotanyVN.com

Ảnh 1. Bulbophyllum nigripetalum and Bulbophyllum parviflorum on Taiwania 62(1).jpg

 

PHÂN LOẠI KHOA HỌC
Giới: Thực vật
Ngành: Magnoliophyta
Lớp: Liliopsida
Bộ: Orchidales
Họ: Orchidaceae
Chi: Bulbophyllum

CHỈ SỐ

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