Geissorhiza demissa Goldblatt & J.C.Manning

Species

Angiosperms > Asparagales > Iridaceae > Geissorhiza

Characteristics

Plants delicate, 60-120 mm high, rarely with 1 short branch, stems puberulous but subglabrous below spike. Corm obliquely narrowly ovoid, ± 4 mm diam., with several cormlets at base, tunics woody, blackish, imbricate. Leaves 4, lower two basal, third leaf inserted shortly above ground, linear-falcate, reaching to ± base of spike, 0.7-1.0 mm wide, margins and main vein lightly thickened and narrowly winged, smooth, uppermost leaf cauline, largely to entirely sheathing. Spike 1-to 4-flowered; bracts green below, dry and brown in upper 1/2-2/3, outer ± 5 mm long, inner ± 4 mm long. Flowers actinomorphic, rotate, white with veins tinged blue below and reverse of outer tepals flushed blue in distal half; perianth tube funnel-shaped, ± 2.0 mm long; tepals subequal, obovate, 7-10 x 3.5 mm. Filaments erect, unequal, ± 3.5 mm long, uppermost 0.5 mm shorter, white; anthers 2-3 mm long; pollen ± white. Style dividing shortly beyond anthers, branches recurved, ± 0.5 mm long.
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Delicate cormous geophyte, up to 160 mm tall, corm tunics woody, imbricate, stem puberulous below, rarely branched. Leaves linear-falcate, margins and central vein narrowly winged, smooth. Flowers in a 1-or 2-flowered spike, white, veins tinged blue below, outer tepals flushed blue outside, stamens symmetrical, filaments unequal. Late Aug.-Oct.
Delicate, cormous geophyte to 12 cm, tunics woody, imbricate, stem puberulous below, rarely branched. Leaves linear-falcate, margins and central vein narrowly winged, smooth. Flowers in a 1-or 2-flowered spike, white, veins tinged blue below, outer tepals flushed blue outside, stamens symmetrical, filaments unequal.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.11 - 0.14
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 7-8
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

Geissorhiza demissa world distribution map, present in South Africa

Identifiers

LSID urn:lsid:ipni.org:names:77106415-1
WFO ID wfo-0000917872
COL ID 6JYZG
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Geissorhiza demissa