Psiadia punctulata Vatke

Species

Angiosperms > Asterales > Asteraceae > Psiadia

Characteristics

Shrub or woody herb, 0.5–2.5 m high, much branched; bark smooth, grey; branches 4–5-angled or-ribbed, minutely glandular, viscid.. Leaves bright green, often shiny with viscid exudate, petiolate, petiole 0.2–1.7 cm long, glandular, blade lanceolate, 3–14 cm long, 0.5–3(–4) cm wide, base cuneate to attenuate, margins entire, often undulate and sometimes slightly inrolled, apex attenuate or acuminate, minutely glandular, viscid.. Capitula 3–6 mm long, several united in tight hemispherical cymes, several or many of which are united in terminal, leafy, dense corymbs; stalks of individual capitula 0.1–1.3 cm long, glandular; phyllaries yellow-green, ± 18, 3–5-seriate, the outermost shortest, lanceolate, 1–4 mm long, 0.5–1.6 mm wide, the margins hyaline, apex obtuse, viscid; receptacle flat to toroid, slightly toothed.. Marginal florets yellow, 16–36 in one or two rows, tube 1.3–2 mm long, tubular, minutely dentate at the apex or with a ray to 0.2 mm long, or with a ray and 1–2 lateral teeth; style 1.7–3.2 mm long, with linear branches; central florets yellow, 7–9, tube 2–3.2 mm long, lobes 0.5–0.9 mm long; anthers 1.2–1.5 mm long with narrowly triangular appendages; style 2.6–4.4 mm long with widened papillose branches.. Achenes of ray florets cylindrical, 0.9–1 mm long, pubescent; achenes of disc florets aborted, 0.4–1 mm long; pappus of minutely barbellate setae 2–3.3 mm long.. Fig. 107.(page 515)
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Shrub or woody herb, 0.5-2.5 m high, much branched; bark smooth, grey; branches 4-5-angled or-ribbed, minutely glandular, viscid. Leaves bright green, often shiny with viscid exudate, petiolate, petiole 0.2-1.7 cm long, glandular, blade lanceolate, 3-14 cm long, 0.5-3(-4) cm wide, base cuneate to attenuate, margins entire, often undulate and sometimes slightly inrolled, apex attenuate or acuminate, minutely glandular, viscid. Capitula 3-6 mm long, several united in tight hemispherical cymes, several or many of which are united in terminal, leafy, dense corymbs; stalks of individual capitula 0.1-1.3 cm long, glandular; phyllaries yellow-green, ± 18, 3-5-seriate, the outermost shortest, lanceolate, 1-4 mm long, 0.5-1.6 mm wide, the margins hyaline, apex obtuse, viscid; receptacle flat to toroid, slightly toothed. Marginal florets yellow, 16-36 in one or two rows, tube 1.3-2 mm long, tubular, minutely dentate at the apex or with a ray to 0.2 mm long, or with a ray and 1-2 lateral teeth; style 1.7-3.2 mm long, with linear branches; central florets yellow, 7-9, tube 2-3.2 mm long, lobes 0.5-0.9 mm long; anthers 1.2-1.5 mm long with narrowly triangular appendages; style 2.6-4.4 mm long with widened papillose branches. Achenes of ray florets cylindrical, 0.9-1 mm long, pubescent; achenes of disc florets aborted, 0.4-1 mm long; pappus of minutely barbellate setae 2-3.3 mm long.
Shrub, 1-2 m high. Leaves narrowly lanceolate, often undulate and serrulate, tapering to an acuminate apex, resinous and glistening. Ray flowers dentate at apex. Flowers yellow.
Life form perennial
Growth form shrub
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.5 - 2.5
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Light -
Soil humidity 1-3
Soil texture 7-8
Soil acidity -
Soil nutriment -
Hardiness (USDA) 8-12

Usage

Uses environmental use fuel material medicinal
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

Habit

Psiadia punctulata habit picture by bimbi bimbi (cc-by-sa)
Psiadia punctulata habit picture by susan brown (cc-by-sa)

Leaf

Psiadia punctulata leaf picture by susan brown (cc-by-sa)
Psiadia punctulata leaf picture by susan brown (cc-by-sa)
Psiadia punctulata leaf picture by Calum Macfarlane (cc-by-sa)

Flower

Psiadia punctulata flower picture by susan brown (cc-by-sa)
Psiadia punctulata flower picture by susan brown (cc-by-sa)
Psiadia punctulata flower picture by susan brown (cc-by-sa)

Fruit

Psiadia punctulata fruit picture by susan brown (cc-by-sa)
Psiadia punctulata fruit picture by susan brown (cc-by-sa)

Distribution

Psiadia punctulata world distribution map, present in Angola, Botswana, Djibouti, Eritrea, Ethiopia, Kenya, Libya, Mozambique, Namibia, Saudi Arabia, Sudan, Somalia, Tanzania, United Republic of, Uganda, Yemen, South Africa, and Zimbabwe

Identifiers

LSID urn:lsid:ipni.org:names:239938-1
WFO ID wfo-0000047536
COL ID 4PFPB
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Psiadia resiniflora Psiadia dodonaeifolia Nidorella punctulata Baccharis resiniflua Psiadia aparine Psiadia vernicosa Psiadia resiniflua Psiadia arabica Psiadia punctulata