Pinus clausa Vasey

Sand pine (en)

Species

Gymnosperms > Pinales > Pinaceae > Pinus

Characteristics

Trees to 21m; trunk to 0.  diam., straight and erect to leaning and crooked, much branched; crown mostly rounded or irregular. Bark gray to gray-brown, furrowed, with narrow, flat, irregular ridges, resin pockets absent, on upper sections of the trunk reddish to red-brown, platy becoming smooth distally. Branches spreading to ascending, poorly self-pruning; twigs slender, violet-to red-brown, rarely glaucous, aging gray, smooth. Buds cylindric, purple-brown, to 1cm; scale margins white-fringed. Leaves 2 per fascicle, spreading-ascending, persisting 2--3 years, (3--)6--9(--10)cm ´ ca. 1mm, straight, slightly twisted, dark green, all surfaces with fine, inconspicuous stomatal lines, margins finely serrulate, apex short-conic; sheath 0.3--0.5(--0.7)cm, base persistent. Pollen cones ellipsoid, ca. 10mm, brownish yellow. Seed cones maturing in 2 years, shedding seeds soon thereafter or often long-serotinous, long-persistent, solitary or whorled, spreading, symmetric (rarely slightly asymmetric, reflexed), lanceoloid before opening, ovoid to broadly ovoid when open, 3--8cm, red-brown, sessile or on stalks to 1cm, scales with dark red-brown, purple, or purple-gray border distally on adaxial surface; apophyses thickened, shallowly and angulately raised, transversely rhombic, cross-keeled; umbo central, low-pyramidal, tapering to sharp tip or weak, often deciduous prickle. Seeds obovoid-oblique; body ca. 4mm, dark brown to nearly black; wing to 17mm. 2 n =24.
More
A pine tree.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality monoecy
Pollination anemogamy
Spread -
Mature width (meter) -
Mature height (meter) 15.0 - 24.4
Root system -
Rooting depth (meter) 0.7
Root diameter (meter) -
Flower color -
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

A fire successional species, growing in sand dunes and white sandhills; at elevations up to 60 metres.
More
It is a subtropical plant.
Light 5-5
Soil humidity 5-5
Soil texture -
Soil acidity 1-3
Soil nutriment -
Hardiness (USDA) 5-11

Usage

The seeds or nuts are eaten raw or roasted. The needles are used to make a tea drink. The inner bark can be used as an emergency flour.
Uses dye material medicinal oil tea timber wood
Edible barks nuts seeds
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by cuttings or seedlings. Seeds needs soaking.
Mode cuttings seedlings
Germination duration (days) 30 - 60
Germination temperacture (C°) 12 - 18
Germination luminosity -
Germination treatment soaking
Minimum temperature (C°) -
Optimum temperature (C°) 23 - 30
Size -
Vigor -
Productivity -

Images

Pinus clausa unspecified picture
Pinus clausa unspecified picture

Distribution

Pinus clausa world distribution map, present in Australia, Brazil, and United States of America

Conservation status

Pinus clausa threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:262863-1
WFO ID wfo-0000481362
COL ID 4J24S
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Pinus clausa Pinus clausa subsp. immuginata Pinus clausa var. immuginata Pinus inops var. clausa Pinus inops subsp. clausa Pinus virginiana subsp. clausa