Pseudolarix Gordon

Golden larch (en)

Genus

Gymnosperms > Pinales > Pinaceae

Characteristics

Trees deciduous; trunk monopodial, straight, terete; branches irregularly whorled; branchlets strongly dimorphic: long branchlets with leaves spirally arranged and radially spreading; short branchlets with leaves radially arranged in false whorls of 10-30 (often spirally spread like a discoid star). Leaves green, turning golden yellow before falling in autumn, narrowly oblanceolate-linear, flattened, 1.5-4 mm wide, flexible, stomatal lines abaxial, in 2 bands, separated by midvein, vascular bundle 1, resin canals 2 or 3 (-7), marginal. Pollen cones terminal on short branchlets, borne in umbellate clusters of 10-25, pendulous at maturity; pollen 2-saccate. Seed cones solitary, shortly pedunculate, erect or ± spreading, ovoid-globose, 2-seeded, maturing in 1st year. Seed scales thick, woody, deciduous at maturity. Bracts adnate to seed scales at base and shed together with them at maturity. Seeds with large, backward projecting wing extending beyond scale margin at maturity. Cotyledons 4-7. 2n = 44*.
Life form annual
Growth form tree
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Sexuality monoecy
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Usage

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Cultivation

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Images

Pseudolarix unspecified picture

Distribution

Pseudolarix world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:331125-2
WFO ID wfo-4000031549
COL ID 72DJ
BDTFX ID 87062
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Pseudolarix

Lower taxons

Pseudolarix amabilis