ovulate cones

Listing 1 - 8 from 8 for ovulate cones

Ephedra antisyphilitica, clapweed
... early-deciduous. Pollen cones 1-2 per node, ovoid, 4-8 mm (0.15-0.3 in) long, scales usually greenish and in 5-8 opposite pairs. Ovulate cones 1-2 per node ...
www.biosurvey.ou.edu

Juniperus californica
... ponderosa · Pinus ponderosa part 2 · Pinus sabiniana · Torreya californica Juniperus californica California Juniper Branches with ovulate cones (which resemble berries). Near the northeastern park boundary close to the South Fork of Orestimba ...
www.coestatepark.com

Gymnosperms
... grain from the staminate cone to the ovulate cone, by means of wind. Cross pollination aided by the fact that the staminate cones are below the ovulate cones, thus the pollen has to travel some distance before rising to the height of the ovulate cones. This occurs in early spring, shortly after emergence of the ovulate cone ...
www.cs.cuc.edu

Juniperus occidentalis Hook
... 12 to 15 microsporophylls. Ovulate cones are 6 to 8 mm. (0.24 to 0.31 in) long, subglobose to ellipsoid, bluish-black when mature, and very glaucous. Ovulate cones, referred to as berries, have resinous pulp and mature in September of the second season in Oregon, Washington, and Idaho. Ovulate cones commonly have two to three ...
www.na.fs.fed.us

Pinus edulis Engelm
... is resumed near the first of May for staminate cones, and about mid-May for ovulate cones. By mid-June, staminate cones are mature, and ovulate cones become visible and receptive to pollen. Pollination is completed by the end of June when cone scales close, and a period of rapid growth of cones ...
www.na.fs.fed.us More from this site

Lab VIII - Medullosans and Cycads (3)
... Among these are taxa that produce megasporophylls in a helical arrangement similar to the simple ovulate cones of extant Zamia. The megasporophylls have ovules (VG 1:13) attached to their lower surface ... in strobili and bear clusters of microsporangia on their abaxial surface (VG 1:14). Since ovulate structures are more commonly preserved that the pollen organs, only a few fossil microsporophyll ...
www.ucmp.berkeley.edu

The Cycad Pages
... cones leaflets with multiple branching veins germination radiospermic carpophylls bi-ovulate ovules inverted stipules absent leaflet vernation flat Stangeriaceae female sporophylls in cones leaflets with multiple branching veins germination radiospermic carpophylls bi-ovulate ...
plantnet.rbgsyd.nsw.gov.au

Gymnosperms for lab
... , 2) Male - staminate cone. (1, 2) Female - ovulate cone (1, 2, ); archegone; ovule, l.s., embryo; mature embryo. Specimens - life history set; male cones; female cones; seeds. Ephedra (1, 2,3, ) Female strobili ... leaf per fascicle, 2, 3 and 5 leaf types. Specimens - cones of various types; pistillate - young, 1 yr, 2 yr, old ; staminate cones. Herbarium mounts - White Pine (5 leaf type); Virginia or ...
www.cs.cuc.edu