ovuliferous scale

Listing 1 - 4 from 4 for ovuliferous scale

The Pines
... they have no vessels in their xylem, only tracheids. Biodisc photomicrograph Ovules borne on a scale, exposed to the air (as for other gymnosperms). Conifer diversity While most conifers are ... integuments). For reasons that need not concern us the ovuliferous scale is not equivalent to the megasporophyll. L.S. female cone L.S. ovuliferous scale . 1st year female pine cones 2nd year immature female ...
scitec.uwichill.edu.bb

Gymnosperms
... around the cone axis. Young ovulate cones occur in early spring. At this time, each ovuliferous scale bears two ovules, each containing a single megasporangium. An integument, or protective layer, is ... . Cones pendulous with bracts extending well beyond each scale. f. Juniperus - trees & shrubs. Some with leaves spreading & needle-like. Some with scale-like leaves. Cone a fleshy "berry". g. Larix - ...
www.cs.cuc.edu

Conifers
... can be dioecious or monoecious. Leaves are deciduous or persistent; spirally arranged or opposite; acicular, scale-like, or broad in shape. The seed-bearing cones or megastrobili are mostly dry and ... some families have fleshy, berry-like cones. Cones bear 1 to many ovules on each ovuliferous scale. A subtending bract can be either free or fused. The male cones or microstrobili are ...
ncsu.edu

Pine Family
... -pollinated, and more-or-less resinous. Leaves are deciduous or persistent, spirally arranged, acicular or scale-like; solitary or in fascicles. The female seed cones usually occur in the upper canopy ... occurs in 1 to 3 seasons. The cones bear 2 ovules on ovuliferous scales, and the bracts and seed scale are distinct. Male cones are catkin-like and are usually located in ...
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