Habenaria clavata Rchb.F.

Species

Angiosperms > Asparagales > Orchidaceae > Habenaria

Characteristics

Plants rather stout, 200-800 mm; leaves cauline, many, suberect to spreading, elliptic to lanceolate, acute, to 130 x 40 mm. Inflorescences rather lax, many-flowered; bracts leafy, lanceolate, acute, glabrous or sparsely puberulous, 15-35 mm long; pedicel 15-20 mm long; ovary incurved, 20-25 mm long. Flowers green. Median sepal erect, deeply concave, elliptic, acute, 11-19 mm long; lateral sepals deflexed, rolled up lengthwise, ob-ovate, 12-18 mm long. Petals bipartite nearly to the base; upper lobe erect, narrowly linear to filiform, as long as the median sepal; lower lobe curved upwards like a long horn, linear, acute, 25-40 mm long. Lip tripartite from near the base, deflexed, 20-25 mm long; midlobe linear, acute, 17-23 mm long; side lobes linear, tapering from the base, 12-18 mm long; spur more or less parallel to the ovary, much inflated apically, 30-50 mm long. Anther 4-6 mm tall, canals porrect with upcurved apices, 8.5-13 mm long; stigmatic processes porªrect, clavate, truncate, 8-12 mm long; central rosªtellum lobe subulate, 3-5 mm long.
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Terrestrial herb, geophyte, fairly robust, 0.2-0.7 m high; with globose root tubers. Leaves many, cauline, elliptic, 70-120 x 18-40 mm. Inflorescence lax, racemose; flowers 2-18, resupinate, green to yellowish green, stigmas white. Sepals unequal; median sepal ovate, 9-17 mm long, forming hood. Petals divided, spreading; lower anterior lobes horn-like, curved upwards, not crossing each other, longer than posterior lobe. Lip 3-lobed, midlobe 20-27 mm long, 2 side lobes shorter; spur 30-50 mm long, inflated towards apex. Flowering time Dec.-Feb.
Herb, up to 0.7 m high. Leaves several, cauline. Flowers: lower petal lobes linear, horn-like, spreading forwards and curved upwards, twice as long as posterior lobe; spur 30-50 mm long, inflated towards apex; perianth green with white stigmas; Jan., Feb.
Lip 3-lobed with an undivided base c. 2 mm long; mid-lobe 17–26 mm long; side lobes 12–21 mm long; all less than 1 mm wide, narrowly linear; spur 3–5 cm long, parallel to ovary and pedicel, the apical third much swollen.
Terrestrial herb, up to 0.7 m high. Spur 30-50 mm long, inflated towards apex. Anterior petal lobe linear, curved, twice as long as posterior lobe. Flowers green with white stigmas.
Leaves 8–13, the lowermost 1–3 sheath-like; the 4–5 mid-stem leaves suberect or spreading, the largest 7–13 × 1.5–4 cm, ovate or lanceolate; the upper ones grading into the bracts.
Petals 2-lobed ± to base, upper lobe 9–15 mm long, filiform, adnate to dorsal sepal; lower lobe 25–40 mm long, c. 1 mm wide, horn-like, curving up.
Dorsal sepal erect, 11–19 × 6–7 mm, ovate, apiculate, convex; lateral sepals deflexed, 12–19 × 6–9 mm, oblique, rolled up lengthwise.
Terrestrial herb 20–80 cm tall; tubers to 3.5 × 2 cm, ovoid or ellipsoid, woolly.
Inflorescence 4–27 × 6–9 cm, several-to many-flowered; bracts to c. 30 mm long.
Anther erect, 4–6 mm high, canals 8–14 mm long, porrect, the tips upturned.
Stigmas porrect, 8–13 mm long, slender, widened and truncate at apex.
Rather loose raceme of green or greenish-white flowers
Flowers pale green or yellow-green, white in centre.
Pedicel and ovary erect or incurved, 35–45 mm long.
An erect herb 1-21/2 ft. high with leafy stem
Stem leafy.
An orchid.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.2 - 0.7
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

It is a tropical plant. It grows in wet grass savannah. It grows in mountain grassland between 1,100-2,250 m above sea level in Malawi.
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In grassland and open woodland.
Light -
Soil humidity -
Soil texture 7-8
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-12

Usage

Uses -
Edible roots tubers
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 -

Images

Habenaria clavata unspecified picture

Distribution

Habenaria clavata world distribution map, present in Burkina Faso, Ethiopia, Lesotho, Nigeria, eSwatini, Tanzania, United Republic of, South Africa, Zambia, and Zimbabwe

Identifiers

LSID urn:lsid:ipni.org:names:637040-1
WFO ID wfo-0000977359
COL ID 3J3QS
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Bonatea clavata Ceratopetalorchis clavata Habenaria clavata