dorsiventrally thickened

Listing 1 - 4 from 4 for dorsiventrally thickened

The Cycad Pages
... cones cm long microsporangiate cones cm diam. microsporophyll lamina firm soft waxy microsporophyll lamina not dorsiventrally thickened dorsiventrally thickened (sterile apex) deflexed level raised apical spine mm long megasporophylls cm long ovules pubescent glabrous ...
plantnet.rbgsyd.nsw.gov.au

Cycas aculeata
... ovoid or fusiform, 15-20 cm long, 4-6 cm diam.; microsporophyll lamina soft, not dorsiventrally thickened, 22-25 mm long, 12-14 mm wide, fertile zone 20-22 mm long, sterile ...
plantnet.rbgsyd.nsw.gov.au More from this site

Palomar Mtn. Lichens
... as in Lecanora rupicola and Lecidea tessellata, coarsely globular-granulate to areolate and thickened; apothecia with thalline rim, 1-2mm, disk tan to reddish-brown, convex; spores ... green ("Hale yellow"), similar in color to Xanthoparmelia; thallus branched, strap-shaped and dorsiventrally flattened; thallus white and grooved on underside; apothecia lacking; an endangered species in California ...
waynesword.palomar.edu

Pteridophytes
... spores not chlorphyllous (Lycopodiophyta)... ... 4 4 Aquatic (occasionally terestrial) rosette herbs with a thickened, compact, corm-like axis; leaves linear with 4 large longitudinal air-chambers ... ... Selaginellaceae Homosporous; leaves eligulate, mostly arranged in close spirals, sometimes decussate, sometimes dorsiventrally flattened with all but 2 rows reduced; supported by clusters of roots ...
www.anbg.gov.au