Angraecum stolzii - Angraecum Encyclopedia

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ANGRÆCORUM

Angraecum stolzii

Angraecum stolzii
Kingdom	Plantae
Division	Magnoliophyta
Class	Liliopsida
Order	Asparagales
Family	Orchidaceae
Subfamily	Vandoïdeae Endlicher
Tribe	Vandaeae Lindley
Subtribe	Angraecinae Summerhayes
Alliance	Angraecum
Genus	Angraecum
Genus Abreviation	Angcm
Common Name
Section
Species	Angraecum stolzii
Authority	Schltr.
Source	in Bot. Jahrb. Syst. 53: 603 (1915). - Summerhayes in Kew Bull. 13: 273 (1958). - Williamson, Orch. S. Centr. Africa: 180 (1977). - Cribb in F.T.E.A., Orchidaceae: 498, fig. 115 (1989). - la Croix et al., Orch. Malawi: 242 (1991). - Geerinck in Fl. Afr. Centr., Orchidaceae pt. 2: 476 (1992). TAB. 125. Type from Tanzania.
Synonyms	- Angraecum sp. of Ball, South. African Epiphyt. Orch.: 62 (1978). - Angraecum sp. aff. rutenbergianum of Stewart et al., Wild Orch. South. Africa: 257 (1982).
Etymology
Distribution	Malawi N: Chitipa Distr., Misuku Hills, Mugesse (Mughese) Forest, 1850 m, fl. 21.iv.1975, Pawek (K; MAL; MO; SRGH; UC); Nyika National Park, in evergreen forest patch, Salubeni 353 (K). Zambia W: Kitwe Distr., Baluba R., xi.1967, Williamson & Simon 592 (SRGH).
Range	Tanzania; Zaire
Altitude	1500-2050 m
Habitat	At high and low levels in evergreen forest
Life Form	Epiphytic
Flowers	see Description
Flowering time
Fragrance

Description

Pendent epiphytic herb; stem up to 40 cm long, leafy towards the apex, woody below this; roots many, c. 2 mm in diameter.Leaves distichous, dark green, 4.5-9 cm × 4-9 mm, linear to ligulate, sometimes falcate, acutely and very unequally 2-lobed at apex, one lobe often ± absent, the other to 15 mm long.Inflorescences 1-flowered, borne opposite the leaf axils, arising from the same place in successive years and often forming a short, woody spur.Peduncle 5-17 mm long, filiform; pedicel and ovary twisted, 6-7 mm long; bracts 1-2 mm long.Flowers orange-straw coloured, 17-20 mm in diameter.Sepals 6.5-9 × 1.5-3 mm, lanceolate, acute; petals similar but slightly smaller.Lip boat-shaped, 5-8 × 3-5 mm, including a 2 mm long acumen; spur 8-9 mm long, slender but slightly swollen at the tip.Column 1-1.7 mm long.

Notes

Some specimens from Mozambique (Luja 467 and Cambitzis s.n.) may belong here; they differ from typical A. stolzii in having a long (17-24 mm) straight, erect spur which is not swollen at the apex, but otherwise agree with this species.

Links

FZ volume:11 part:2 (1998) Orchidaceae by I. la Croix & P.J. Cribb

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