Holothrix buchananii Schltr.

Species

Angiosperms > Asparagales > Orchidaceae > Holothrix

Characteristics

Perennial herb up to 1.7 dm. high.. Leaves 2, broadly ovate to reniform-orbicular, apiculate, up to 2.2 cm. long and 2 cm. broad, glabrous, with white markings.. Scape with spreading or retrorse hairs.. Bracts lanceolate or ovate, acuminate, much shorter than the pedicellate ovary, sparsely hairy.. Sepals ovate or ovate-lanceolate, the laterals very oblique, acute or acuminate, 2.7–4 mm. long, almost glabrous.. Petals lanceolate or linear-lanceolate, acuminate, 3–6 mm. long.. Lip much longer than other perianth members, cuneate from a narrow base, shortly 5–7-lobed at the apex, 7.5–9.5 mm. long.. Spur narrowly conical, 2–3 mm. long.. Ovary hairy.
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Lip 6–9.5 × 4.5–5.5 mm, cuneate from a narrow base, very shortly 5–7-lobed at the apex; spur 2–3 mm long, narrowly conical.
Leaves 2, appressed to ground, 8–25 × 6–22 mm, broadly ovate to reniform-circular, dark green with silvery-white venation.
Inflorescence up to 5 cm long, fairly laxly 3–7-flowered, flowers secund; ovary 4–7 mm long; bracts 3 mm long, hairy.
Sepals 2.4–3 × 1–1.5 mm, ovate to ovate lanceolate, acute, pubescent, the lateral sepals oblique.
Flowers white, the lip with 3–5 purple lines, sepals green with purplish tips.
Scape purplish, without sheaths, with some spreading or retrorse hairs.
Petals 3–5 × 1.3–2 mm, lanceolate, acuminate, glabrous.
Tubers one or two, 1–2 cm long, ellipsoid, hairy.
Stigma sessile; rostellum shallowly 3-lobed.
Terrestrial herb 5–19 cm tall.
Anther loculi parallel.
Column c. 1 mm long.
Pollinaria 2.
Ovary hairy.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.11 - 0.18
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) -

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Holothrix buchananii world distribution map, present in Tanzania, United Republic of

Identifiers

LSID urn:lsid:ipni.org:names:638889-1
WFO ID wfo-0000982865
COL ID 6M9HX
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Holothrix buchananii