Trieenea elsiae Hilliard

Species

Angiosperms > Lamiales > Scrophulariaceae > Trieenea

Characteristics

Herb, possibly annual, stems well branched from the base, c. 80-200 mm long, erect or sprawling, woody at base and there up to 1.5 mm in diam., pubescent with patent glandular hairs up to 0.5-0.75 mm long, leafy. Leaves opposite, becoming alternate on the inflorescence branches, blade 5-17 x 3-10 mm, elliptic or ovate-elliptic, base cuneate, tapering into a flat petiolar part 2-6 mm long, roughly 1/2-1/3 length of blade, upper margins with 3-5 pairs of coarse teeth, both surfaces glandular-pilose, hairs up to 0.5-0.75 mm long. Flowers few to many in congested rounded heads becoming oblong in fruit, only the lowermost 1-3 flowers distant, each raceme terminating a nude peduncle up to c. 40 mm long, these solitary or in few-branched panicles. Bracts c. 5-8 x 1.5-3 mm, the lowermost leaf-like, smaller and narrower upwards, adnate to pedicel only, hairy as leaves. Pedicels up to 0.5-lmm long. Calyx obscurely bilabiate, tube 0.5-lmm long, anticous lobes 2.5-5 x 0.5-1 mm, anticous lip split 2.5-5 mm, whole calyx glandular-pubescent, hairs up to 0.5-0.75 mm long. Corolla tube 3-4.5 mm long, cylindric in lower half and there c. 0.75 mm in diam., rapidly broadening upwards, c. 1.5 mm across mouth, whole corolla glandular-pubescent outside, limb 2.75-4 mm across lateral lobes, posticous lobes 0.75-1 x 0.75-1 mm, anticous lobe 1-1.5 x 0.75-1 mm, all lobes subrotund, posticous lip bearded at base in all but the smallest (selfed?) flowers, white with an orange patch at base of posticous lip and running down back of tube. Stamens 4, posticous filaments decurrent well down tube, all anthers 0.3-0.5 mm long, shortly exserted. Stigma either exserted or curled round in tiny flowers. Capsules 2.5-4.5 x 2-3 mm Seeds c. 0.5 x 0.4 mm, irregularly wrinkled in longitudinal bands, pallid amber.
More
Glandular-hairy ?annual. Leaves opposite below becoming alternate above. Flowers in rounded heads on naked peduncles, tube short and glandular-hairy, white with orange patch at base of upper lobes and down back of tube.
Life form annual
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) -
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 6-7
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

Trieenea elsiae world distribution map, present in South Africa

Identifiers

LSID urn:lsid:ipni.org:names:936630-1
WFO ID wfo-0000458551
COL ID 7Z69Y
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Trieenea elsiae