SeedPlants213-page18

SeedPlants213-page18 - Seed-Dispersing Plants 18...

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: Seed-Dispersing Plants - 18 Welwitschia Welwitschia is restricted to the Namib desert of Namibia and adjacent regions of southwestern Africa between 14o 35o S Latitude from the western coast to 100 miles inland in areas of about 2" of annual precipitation. Welwitschia has two large, basal strap-shaped leaves that grow from a meristem on its basal stem. It has a deep taproot that grows down toward the water table. The leaves become shredded at the tips with time and the plant appears to be a rosette of many leaves. For reproduction Welwitschia has an female tube which grows to meet the pollen tube for reproduction. Welwitschia mirabilis Male Strobilus Female ...
View Full Document

Ask a homework question - tutors are online