Widdringtonia schwarzii Masters

Willowmore cypress (en)

Species

Gymnosperms > Cupressales > Cupressaceae > Widdringtonia

Characteristics

Tree normally 17-26 m high, occasionally attaining a height of about 40 m with stem diameter up to 5 m; crown pyramidal, usually not spreading with age; bark on young trees reddish grey, thin, fibrous, flaking off annually. Leaves of two types; juvenile leaves on seedlings and young trees needlelike, spreading, 1-2 cm long and up to 2 mm broad; adult leaves scale-like, appressed, ovate, usually strictly decussate, semi-circular in transverse section, adnate at the base, free portion often much shorter than adnate portion. Male cones mostly on short lateral branchlets, scales usually 6 pairs, decussate, coriaceous, peltate, oblong, acuminate, with 4 pollen sacs at the base of each scale. Mature female cones consisting of usually 4 woody valves, valves rough with regular tubercles along the margin. Seeds ovoid, conspicuously winged, somewhat flattened, outline including wings oblong-obovate, wing retuse at apex; seed scar about 1.5 x 2.5 mm; Cotyledonary leaves (after germination) 20-25 mm long and about 2 mm broad.
More
Monoecious tree, up to 25 m high, often 7-12 m, bark reddish grey, flaking in thin strips. Leaves: juvenile leaves 10-20 x 2 mm, spreading; adult leaves scale-like, ovate, decussate, semi-circular in section. Male cones very small, usually of 6 pairs of oblong scales. Female cones clustered, of 4 valves, rough, margins with regular tubercles. Fruit cones may take more than a year to ripen, and then persist for several years, may be found on trees all year.
Like W. cedarbergensis but 17-26 m, sometimes to 40 m, and seeds broadly winged.
Life form annual
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality monoecy
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 21.0 - 25.5
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
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Fruit color -
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Nitrogen fixer -
Photosynthetic pathway c3

Environment

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

Usage

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

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
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Optimum temperature (C°) -
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Vigor -
Productivity -

Images

Widdringtonia schwarzii unspecified picture

Distribution

Widdringtonia schwarzii world distribution map, present in South Africa

Conservation status

Widdringtonia schwarzii threat status: Near Threatened

Identifiers

LSID urn:lsid:ipni.org:names:264039-1
WFO ID wfo-0000427970
COL ID 5BYGH
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Widdringtonia schwarzii Callitris schwarzii