Caesia setifera Baker

Species

Angiosperms > Asparagales > Asphodelaceae > Caesia

Characteristics

Rhizome simple; roots fleshy-fibrous, with distal fusiform tubers to 2.5 cm long. Leaves to 35 cm long; lamina 1–2 mm wide, arching; sheath persisting as fibres. Inflorescence to 45 cm tall; axis slender, simple or 1-several-branched; lower bracts to 13 cm long; clusters 1–9-flowered, the lowest subtended by triangular-subulate bracts to 2.5 mm long; upper bracts ovate-acuminate, down to 1.5 mm long; pedicels slender, 5–15 mm long. Perianth segments narrowly elliptic, 4–5.5 mm long, white to pale blue. Stamens to 3.5 mm long; anthers less than 1 mm long; filaments narrowly fusiform, yellow-green, purple distally. Capsule 3-lobed, 4–5 mm wide. Seed 1.3–1.5 mm wide; testa granulate and scattered aculeate or tuberculate, dull.
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Roots bearing distant spindle-shaped tubers c. 1-1.5 cm long. Leaves 2-4, suberect, filiform, glabrous, c. 10-25 cm long, c. 1 mm broad; veins of leaves forming fibrous sheaths at base of plant. Peduncle thin and wiry, usually with 1 or 2 ascending branches, (17-)25-45 cm high. Bracts bearing branches or pedicels in their axils, rarely up to 5 mm long, ovate to lanceolate, partly scarious. Pedicels 1-6-nate, usually erect-spreading, (3-)5-10 mm. Perianth segments blue, linear-oblong, 6-8 by 1-1.5 mm. Filaments 3-4 mm (the outer up to 1 mm longer than the inner); anthers yellow, c. 0.5-0.75 mm long. Ovary c. ¾-1 mm long; style 4-5 mm. Capsule subglobose, deeply 3-lobed, c. 3 mm ø.
A grass-like lily. It grows 10-25 cm high and 10-25 cm wide. It has tufts of leaves surrounded by long filaments. The leaves are narrow. The flowers are white and blue.
Life form perennial
Growth form herb
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.28 - 0.35
Root system fibrous-root rhizome
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

In the Wassi Kussa area scattered on open, grass-sedge plains on thin sand over clay, in maintained savanna grassland, in savanna with Melaleuca and Acacia, on wet flats in savanna forest, on sour grey soils, at very low altitudes subject to a long dry season. Fl. July-Aug., Dec.-Jan.A field note recorded that usually one flower is opening in sequence.
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A tropical plant. It grows in the Northern Territory in Australia.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 8-12

Usage

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

Cultivation

Plants can be grown from seed.
Mode seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Caesia setifera world distribution map, present in American Samoa, Australia, and Papua New Guinea

Identifiers

LSID urn:lsid:ipni.org:names:532347-1
WFO ID wfo-0000762619
COL ID 696PT
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Caesia setifera