Searsia horrida (Eckl. & Zeyh.) Moffett

Species

Angiosperms > Sapindales > Anacardiaceae > Searsia

Characteristics

Much-branched, armed shrubs up to 1.7 m high, often forming spiny thickets. Bark grey-brown, granular; branching squarrose, branchlets straight, rigid, spinous; young growth russet. Leaves fasciculate, trifoliolate, petiolate; petiole densely stellate hairy, laminaceous, shallowly concave, (2-)4(-9) mm long; leaflets sessile, coriaceous, concolorous, dull grey-green, densely stellate hairy, amphistomatous; lamina linear-oblanceolate to spatulate, shallowly concave; apex obtuse; margin entire; venation impressed, obscure; terminal leaflets (4-)7(-9) x (1-)2(-3) mm, lateral leaflets (3-)5(-8) x 1-2 mm. Inflorescence a much-reduced raceme, up to 10 mm long, often single-flowered, fasciculate, crowded on dwarf outgrowths of often leafless spines. Flowers normal, with calyx lobes minutely hairy, styles persistent. Drupe asymmetrically oblate, obloid, fleshy, dark reddish brown, drying black, ±6 x 4 mm.
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The patent, spinescent branches and petioles, leaves, and flowers covered with minute, rod glands; leaves petiolate, fasciculate, palmately 3-foliolate, petioles dilatate, leaflets sessile, linear-cuneate, obtuse, quite entire, tickish, sub-glaucous; racemes axillary, 3-6-flowered, shorter than the leaves; drupe oblique, oval, sub-compressed, glabrous. Shrub much branched, branches and branchlets terete, rigid, spinous. Petioles 2-4 lines long, broader at top; younger leaves red coloured, old ones sub-glabrous; leaflets 3-4 lines long, obtuse, rarely emarginate at top, 1 line broad. Peduncles racemose, shorter than the petiole, as well as the calyx, ferruginous. Petals white, 0.5 line long. Drupe transversely broader, 1.5 line long, 2 lines broad, beaked with the very short styles.
Shrub, 1.0-1.7 m high; much branched, armed, often forming spiny thickets; bark grey-brown, granular, branching squarrose; branchlets straight, rigid, spinous; young growth russet. Leaves fasciculate, petioles hairy, trifoliolate; leaflets sessile, coriaceous, dull grey-green, stellate-hairy, linear-oblanceolate to spathulate, margins entire. Inflorescence a raceme, 10 mm long, often single-flowered, fasciculate, crowded on dwarf outgrowths of often leafless spines. Flowers: calyx hairy; styles persistent. Fruit a drupe, fleshy, asymmetrically oblate, obloid, dark reddish brown, drying black.
Dioecious, much-branched, evergreen shrub, up to 1.7 m tall, with straight rigid spinous branchlets. Leaves trifoliate, leaflets sessile, linear-oblanceolate to spathulate, densely covered with minute stellate hairs, dull grey-green, but russet when young. Flowers greenish yellow, crowded on dwarf outgrowths of often leafless spines. Drupe asymmetrically oblong, dark reddish-brown, drying black.
A shrub. It grows 1.7 m tall. The branches have straight spines. The leaves have 3 leaflets. The flowers are greenish yellow and in crowded groups. The fruit is oblong but uneven shape. They are reddish-brown.
Life form perennial
Growth form shrub
Growth support free-standing
Foliage retention
Sexuality dioecy
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 1.7
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

It is a subtropical plant. It grows on granite outcrops.
Light -
Soil humidity -
Soil texture 5-6
Soil acidity -
Soil nutriment -
Hardiness (USDA) -

Usage

The fruit are eaten as a snack and also used to curdle milk.
Uses -
Edible fruits
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

Searsia horrida world distribution map, present in South Africa

Identifiers

LSID urn:lsid:ipni.org:names:77088439-1
WFO ID wfo-0000510253
COL ID 4W747
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Toxicodendron horridum Searsia horrida Rhus horrida