WorldFloraDB - Didymoplexis micradenia

Characteristics

Plants 6-30 cm tall. Rhizome pale brown, fusiform or moniliform, 10-50 × 4-7 mm; roots few. Stem pale brown to whitish, with 3-5 scalelike sheaths. Rachis 2-5 cm, with 8-15 flowers; floral bracts ovate, ca. 1.5 mm. Flowers not opening widely, whitish, tinged with pale red; pedicel and ovary 4-6 mm. Dorsal sepal and petals 5-8 mm, united for 1/2-2/3 of their length, free portion 3-lobed, lobes subsquare; lateral sepals 5-7 mm, connate with each other for 2/3-4/5 of their length, and with petals for 1/2 of their length, free portion 2-lobed, lobes suborbicular; lip obovate, 4-6 × 4-5 mm, margin erose apically, incurved on both sides; disk with a row of warty papillae along midvein. Column clavate, ca. 5 mm, apex dilated and with 2 wings; column foot inconspicuous, less than 1 mm; anther oval or orbicular. Capsule cylindric, 1.8-2.2 cm; pedicel lengthening 10-25 cm in fruit, fleshy. Fl. and fr. Mar-May.

More

Flower stem 60–200 mm long, pale brown, fleshy, brittle, 3–8-flowered. Flowers semi-erect, sometimes not opening widely, 5–6 × 5–7 mm, pinkish white, opening singly in succession up the raceme. Sepals and petals fused into floral tube for two-thirds their length. Dorsal sepal 8–10 mm long. Lateral sepals 6.5–7 mm long. Petals 3–4 mm long. Labellum white, narrowly wedge-shaped, 6–7.5 × 5–6 mm when flattened; margins incurved and hugging column; apex blunt, margins with small irregular teeth. Calli pinkish, warty, arranged in two or three irregular rows on central keel. Capsules erect, cylindrical, c. 20 mm long, triangular in cross-section, pinkish brown, on elongated pedicels 10–20 cm long.

Life form

perennial

Growth form

herb

Growth support

free-standing

Foliage retention

-

Sexuality

hermaphrodite

Pollination

-

Spread

-

Mature width (meter)

-

Mature height (meter)

0.06 - 0.3

Root system

rhizome

Rooting depth (meter)

-

Root diameter (meter)

-

Flower color

-

Blooming months

-

Fruit color

-

Fruiting months

Jan	Feb	Mar
Apr	May	Jun
Jul	Aug	Sep
Oct	Nov	Dec

Nitrogen fixer

-

Photosynthetic pathway

-

Environment

Highly localised; growing in gravelly granitic soil among litter and dry leaves in dense rainforest.

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

Identifiers

LSID	urn:lsid:ipni.org:names:629737-1
WFO ID	wfo-0000943244
COL ID	35Z67
BDTFX ID	-
INPN ID	674303
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Leucorchis micradenia Didymoplexis micradenia Didymoplexis neocaledonica Didymoplexis papuana Didymoplexis samoensis Epiphanes micradenia Didymoplexis fimbriata Didymoplexis minor var. amboinensis Didymoplexis minor var. salmonea Didymoplexis minor subsp. samoensis

WorldFloraDB 2024

Didymoplexis micradenia Hemsl.

Species