Pinaceae Spreng. ex Rudolphi
Details
Pinaceae Spreng. ex Rudolphi
Pinaceae Spreng. ex Rudolphi
Nomenclature
Spreng. ex Rudolphi
Rudolphi
ICN
Pinaceae Spreng. ex Rudolphi
family
Pinaceae
Classification
Subordinates
Descriptions
Pinaceae Spreng. ex Rudolphi
Resinous trees or, less commonly, shrubs, usually evergreen, usually monoecious, with long and short growth shoots or long shoots only. Winter buds scaly, often resinous; scales at base persistent. Lvs alternate to spirally arranged, often fascicled, needle-like to linear, sometimes reduced to scale lvs on long shoots. Fls forming cones with spirally arranged scales. ♂ strobili (cones) with numerous scales and stamens (microsporophylls); stamens each with 2 pollen sacs (anthers) on the lower surface of each scale; pollen mostly with bladders. ♀ strobili (cones): bract scales each bearing a flat ovuliferous scale (megasporophyll) on its upper surface and united to its base. Ovules 2, anatropous, situated on the upper (inner) side of the ovuliferous scale. Fr. a semi to strongly woody cone, closed until maturity; bract scales free or united to and enclosed by or exserted from ovuliferous scales, sometimes 0 in ripe cone. Seed usually winged; cotyledons 3-18, often green.
Taxonomic concepts
Collections
Metadata
550ab089-a48b-42fb-817c-c6c0c563c446
scientific name
Names_Plants
1 January 2000
11 July 2011