Romulea biflora (Beg.) M.p.de Vos

Species

Angiosperms > Asparagales > Iridaceae > Romulea

Characteristics

Plants 40-150(-200) mm high. Corm globose, obliquely flattened toward base with crescent-or horseshoe-shaped basal ridge ± as wide as corm, 10-15 mm diam., tunics splitting into fine parallel fibrils along ridge. Stem subterranean or aerial, exserted up to 150 mm. Leaves 3 to 5, lowermost 2 basal when stem exserted, terete or filiform and narrowly 4-grooved, 1.0-1.5 mm diam. Peduncles up to 4, up to 50 mm long, semiterete, suberect or bent in fruit; outer bracts green with narrow membranous margins, 12-25 mm long, widely striate (3 or 4 veins/mm), inner bracts with broad, brown-flecked membranous margins. Flowers bright pink to old rose-coloured with large, violet to purple blotches around small, golden-yellow cup with dark veins in cup, outer tepals mottled or striped red and greenish on reverse; perianth tube funnel-shaped, 4-6 mm long; tepals elliptic, 18-35 x 6-10 mm. Filaments 5-7 mm long, pilose basally, orange-yellow; anthers 5-8 mm long, yellow or rarely violet. Style dividing below or beyond anther apices, branches ± 2 mm long, deeply divided. Capsules subglobose to ellipsoid, up to 12 mm long.
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Plants 100-250(-300) mm long. Corm with an almost circular basal ridge. Stem 20-150 mm long. Basal leaves usually 2, filiform, 70-300 x 0.5-1.5 mm, grooves usually narrow. Inner bract green or greenish, with brown-streaked or sometimes colourless membranous margins. Flowers 25-45 mm long, deep old rose or bright pink with large purple or violet blotches in the throat and a small dark spot on each side of the segments, cup golden-yellow, outer segments striped or mottled on the backs. Perianth tube 4-5 mm long; segments 18-35 x 6-10 mm. Filaments 5-7 mm; anthers as long, yellow or rarely violet. Style 11-13 mm; stigmas pale or purple, at the anther tips or higher. Capsules subglobose or ellipsoid, on suberect or bent peduncles.
Cormous geophyte, 10-15 cm, corm with an oblique basal ridge, basal ridge fibrous, stem branched above ground. Basal leaves 2. Flowers pink to rose with yellow cup edged with dark blotches.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.07 - 0.2
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity 4-6
Soil texture 1-3
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

Romulea biflora world distribution map, present in South Africa

Identifiers

LSID urn:lsid:ipni.org:names:440683-1
WFO ID wfo-0000785425
COL ID 6X8LH
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Romulea biflora Romulea ambigua var. biflora