Angraecum erectum Summerh.

Species

Angiosperms > Asparagales > Orchidaceae > Angraecum

Characteristics

A scandent subepiphyte with ancipitous stems 20–40 cm. long and 3 mm. in diameter.. Roots all along stem, 1.5 mm. in diameter.. Leaves coriaceous, distichous, 2-ranked, linear-lanceolate, unequally acutely bilobed at the apex, 2.8–6 cm. long, 0.5–1.3 cm. wide, articulated to leaf-sheaths 2–3 cm. long.. Inflorescences 1 per node, 1–2-flowered, 2.7–4.5 cm. long; peduncle 0.8–2 cm. long; bracts amplexicaul, ovate, 2 mm. long.. Flowers light yellow-green or whitish green to pale salmon-pink, scented at night; pedicel and ovary curved strongly, 4–7 mm. long.. Sepals lanceolate, acuminate, 11–14 mm. long, 2.5–4 mm. wide.. Petals lanceolate, acuminate, 10–12 mm. long, 1.8–2.8 mm. wide.. Lip lanceolate, acuminate, 8.5–10.5 mm. long, 3.3–4.6 mm. wide, with a linear raised callus in the basal part.. Spur subsigmoid, filiform, (15–)18–28.5 mm. long.. Column 1.5–1.7 mm. long.. Pl. 5. Fig. 117, p. 502.
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Lip 8–11 × 4–6 mm, lanceolate, acuminate, very concave, with a raised linear callus at the base; spur 18–28 mm long, slender, straight or subsigmoid.
Sepals 11–14.5 × 1–5 mm, lanceolate, acuminate, the lateral sepals somewhat falcate.
Inflorescences arising along the stem, opposite leaves, 1.5–3 cm long, 1–2-flowered.
Leaves distichous, 3–6 × 1–1.3 cm, elliptic, unequally 2-lobed at the apex.
Roots numerous, arising opposite the leaves, long, c. 2 mm in diameter.
Epiphytic herb; stems elongate and scandent, leafy, up to 40 cm long.
Flowers white or greenish-white; spur pale green.
Petals 10–12.7 × 1.3–4 mm, lanceolate, acuminate.
Pedicel and ovary 8–10 mm long.
Column 1.5–2 mm long.
Bracts 2–3 mm long.
Life form perennial
Growth form herb
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Sexuality hermaphrodite
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Environment

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Hardiness (USDA) 9-12

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Cultivation

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Images

Angraecum erectum unspecified picture

Distribution

Angraecum erectum world distribution map, present in Kenya, Tanzania, United Republic of, Uganda, and Zambia

Identifiers

LSID urn:lsid:ipni.org:names:616111-1
WFO ID wfo-0000976832
COL ID DZTV
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Angraecum erectum Angraecoides erecta