Tridactyle verrucosa P.J.Cribb

Species

Angiosperms > Asparagales > Orchidaceae > Tridactyle

Characteristics

A lithophyte with erect stems 8–20 cm. long, 5–8 mm. in diameter.. Roots basal, verrucose, 1–3 mm. in diameter.. Leaves fleshy-coriaceous, suberect-spreading, narrowly oblong-elliptic, unequally roundly bilobed at the apex, 3–5.3 cm. long, 0.7–1 cm. wide.. Inflorescences 1–1.7(–3) cm. long, densely 3–5-flowered, spreading-arcuate; peduncle and rhachis fleshy; bracts reflexed, ovate, 1–3 mm. long.. Flowers green or yellow, sweetly scented, column orange; pedicel and ovary 3 mm. long.. Dorsal sepal lanceolate, acuminate, 5 mm. long, 2 mm. wide; lateral sepals obliquely lanceolate, acuminate, 5 mm. long, 2 mm. wide.. Petals lanceolate, acuminate, 5 mm. long, 1.5 mm. wide.. Lip 3-lobed in the apical half, 4.5–5.5 mm. long, 6–7 mm. wide; side lobes longer than the mid-lobe, spreading, 3 mm. long, entire or bifid at the apex; midlobe narrowly triangular, acute.. Spur subclavate, decurved, 8–12 mm. long.. Column 3–4 mm. long; stipes oblanceolate.. Fig. 155, p. 616.
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Lip 4–5.5 mm long, 3-lobed in the apical half; mid-lobe 1.5 mm long, narrowly triangular, acute; side lobes 2.5–3 mm long, becoming thread-like at the apex; spur 8–12 mm long, slightly swollen towards the apex, straight or decurved.
Inflorescences arising below the leaves, c. 2 cm long, densely 3–5-flowered. Peduncle and rhachis rather fleshy; pedicel and ovary 3 mm long; bracts 1–3 mm long, ovate.
Leaves 6–7, distichous, borne near stem apex, 3–8 cm × 6–11 mm, ligulate, unequally and roundly 2-lobed at the apex, stiffly coriaceous.
Sepals and petals lanceolate, acuminate; sepals 3.5–5 × 1.5–2 mm; petals slightly narrower, 1–1.5 mm wide.
Flowers greenish or straw-orange in colour, sweetly scented, c. 8 mm in diameter.
Roots stout, 3–5 mm in diameter, strongly verrucose, arising at base of the stem.
Stems 8–25 cm long, covered with transversely wrinkled, old leaf bases.
Erect lithophytic herb, occasionally epiphytic, often forming clumps.
Column 3–4 mm long.
Life form perennial
Growth form herb
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Sexuality hermaphrodite
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Environment

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Usage

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Cultivation

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Distribution

Tridactyle verrucosa world distribution map, present in Tanzania, United Republic of

Identifiers

LSID urn:lsid:ipni.org:names:907209-1
WFO ID wfo-0000328136
COL ID 58NLN
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Tridactyle verrucosa