17 ch do not possess seeds but reproduce by

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: eds, but reproduce by dispersing spores. Do Two major evolutionary lineages (see p. 380): Two Clubmosses, quillworts, spikemosses (Lycophytes). Ferns, horsetails, & Psilotales (Pteridophyta) + seed Ferns, plants (Euphyllophytes). plants ). Pictures: 384, 385, 388, 390, 402. Pictures: Phylogeny of Vascular Plants Phylogeny p 404; 380) Lycophytes Equisetum Whisk ferns Ferns Seedless Vascular plants Seed plants Lycophyta (Clubmosses) Lycophyta p. 403-409; 380-389 380-389 Lineage distinct from all Lineage other vascular plants other Lack a 30-base pair Lack chloroplast DNA inversion found in all other vascular plants. plants. 1000 living species. 3 families: families: Clubmosses Quill worts Resurrection plants Division Lycophyta p.403-409; 380-389 380-389 Lycophyte spores Sprophytes Gametophytes Gametophyte with young sporophyte Lycophyte Families: Lycophyte Isotaceae (quill worts) Aquatic. Basal, linear leaves. Heterosporous life cycle. Isotes Lycopodiaceae (Clubmosses) (Clubmosses) Strobilus: Conelike Aggregation of sporangia Roots Lycopodium annotinum Lycopodiaceae (club mosses) (club Lycopodiella appressa (native East Texas clubmoss) Lycopodiella appressa Selaginellaceae (Resurrection plants) Selaginellaceae Selaginella lepidophylla (Big Bend National Park) (Big Selaginella apoda Native E. TX resurrection plant (dry sandy uplands). (dry Late...
View Full Document

This document was uploaded on 03/28/2014 for the course BIO 131 at Stephen F Austin State University.

Ask a homework question - tutors are online