Nivenia stokoei (Guthrie) N.E.Br.

Stokoe’s bush iris (en)

Species

Angiosperms > Asparagales > Iridaceae > Nivenia

Characteristics

Rounded, woody, evergreen shrubs (0.3-)0.8-1.5 m high. Stems simple or irregularly branched, leafy stems 3-4 mm wide. Leaves narrowly lanceolate, 80-130 x 3-5(-6) mm, margins narrowly hyaline. Inflorescence a ± flat-topped false panicle of (12)20 to 40 flowers, bracts subtending branches of peduncle dry, 2-4 mm long, ultimate peduncles bearing single flowers; spathes 6-8 mm long, leathery, dry and dark brown near apices, inner slightly longer than outer; floral bracts dry, light brown, upper margin often lacerate, (10-)12-15 mm long. Flower salver-shaped, not heterostylous, but styles somewhat variable in length, pale or deep blue, ± white at base of tepals and in tube; perianth tube 27-33(-37) mm long, ± cylindric, 1.2 mm wide at base, expanding up to 2 mm at mouth; tepals spreading, elliptic-oblanceolate, 16-22(-25) mm long, outer 8-10 mm wide, inner 6.5-8.0 mm wide. Filaments (6.5-)8-10 mm long; anthers 2.0-2.8(-3.0) mm long. Style exserted (8-)10-15 mm from tube, usually dividing 3-5 mm beyond anther tips, in some plants ± as long as filaments, branches filiform, 2-3 mm long, recurved. Capsules globose-obovoid, 5-6 mm long, ± 4.5 mm diam., rarely with seeds in all locules. Seeds mostly 1 or 2 per locule, rugose, blackish with a loose translucent outer layer, ± 5 x 2.8 mm, smaller if 2 per locule.
More
Shrub 40-60 cm. Leaves sword-shaped. Flowers solitary, large, pale to deep blue, tube 27-37 mm.
Life form perennial
Growth form
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.6 - 1.05
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 5-8
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 -

Images

Nivenia stokoei unspecified picture

Distribution

Nivenia stokoei world distribution map, present in South Africa

Identifiers

LSID urn:lsid:ipni.org:names:440440-1
WFO ID wfo-0000785342
COL ID 47K6C
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Nivenia stokoei Aristea stokoei