growing apex host:plantnet.rbgsyd.nsw.gov.au

Listing 1 - 10 from 25 for growing apex

The Cycad Pages
... Cycad Pages The Cycad Pages Ecology and Conservation Cycad plants are long-lived and slow-growing, with slow recruitment and population turnover. The fleshy and starch-rich stems are highly ... Contractile roots are present in all cycads, particularly in juvenile plants. These draw the sensitive growing apex of seedlings below the soil surface, affording protection against drought and the fires that ...
plantnet.rbgsyd.nsw.gov.au

The Cycad Pages
... dichotomous (by equal division of the growing apex) or adventitious (arising from undifferentiated cortical tissues). Leaves are spirally arranged in crowns on the stem apex, pinnate (bipinnate in Bowenia), and ... in all cycads (above), particularly in juvenile plants. These serve to draw the sensitive growing apex of seedlings below the soil surface, affording protection from the drought and fires ...
plantnet.rbgsyd.nsw.gov.au

The Cycad Pages
... These are not yet all in place for all species, but the database is slowly growing. On species pages, click on thumbnail images to see full-screen images ( indicates that ... : spirally orthostichous, aggregated into usually stalked male cones and each with a faceted sterile apex bearing two distinct, spreading stout spines or horns. Each microsporophyll bearing numerous microsporangia (pollensacs) ...
plantnet.rbgsyd.nsw.gov.au

The Cycad Pages
... These are not yet all in place for all species, but the database is slowly growing. On species pages, click on thumbnail images to see full-screen images. links to images ... spirally orthostichous, aggregated into stalked female cones. Sporophylls simple, appearing peltate with a simple dilated apex which is hexagonal, flattened or faceted, weakly bilobed, never produced into an upturned spine. ...
plantnet.rbgsyd.nsw.gov.au

The Cycad Pages
... are not yet all in place for all species, but the database is slowly growing. On species pages, click on thumbnail images to see full-screen images ( indicates that ... 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 lamina ...
plantnet.rbgsyd.nsw.gov.au

The Cycad Pages
... These are not yet all in place for all species, but the database is slowly growing. On species pages, click on thumbnail images to see full-screen images. links to ... , monosulcate. Megasporophylls: spirally aggregated into determinate, stalked female cones. Sporophylls with a simple dilated apex which is flattened and upturned. Ovules two (rarely three), stalked, orthotropous, inserted on the ...
plantnet.rbgsyd.nsw.gov.au

The Cycad Pages
... . These are not yet all in place for all species, but the database is slowly growing. On species pages, click on thumbnail images to see full-screen images ( indicates that a ... : spirally aggregated into determinate, stalked female cones. Sporophylls simple, appearing peltate with a simple dilated apex which is often flattened or faceted but never produced into an upturned spine. Ovules two ...
plantnet.rbgsyd.nsw.gov.au

The Cycad Pages
... These are not yet all in place for all species, but the database is slowly growing. On species pages, click on thumbnail images to see full-screen images. links to ... . Microsporophylls: spirally aggregated into determinate, sessile male cones and each with a simple sterile apex, with a deflexed broadly triangular termination. Each microsporophyll bearing numerous microsporangia (pollen-sacs) on ...
plantnet.rbgsyd.nsw.gov.au

The Cycad Pages
... These are not yet all in place for all species, but the database is slowly growing. links to images of type specimens held by the National Herbarium of New South ... hairs. Microsporophylls: spirally aggregated into determinate, stalked male cones and each with a simple sterile apex, which is often produced into an upturned spine. Each microsporophyll bearing numerous microsporangia (pollensacs) ...
plantnet.rbgsyd.nsw.gov.au

The Cycad Pages
... . These are not yet all in place for all species, but the database is slowly growing. On species pages, click on thumbnail images to see full-screen images ( indicates that a ... , aggregated into stalked or sessile female cones. Sporophylls simple, appearing peltate with a simple dilated apex which is usually hexagonal, often flattened or faceted, sometimes weakly bilobed, never produced into an ...
plantnet.rbgsyd.nsw.gov.au