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sharp upturned spine

Listing 1 - 2 from 2 for sharp upturned spine

The Cycad Pages
... Sporophylls in vertical rows spirally arranged Sporophyll apex a single prominent spine two short spines blocky, faceted broadly flattened Dichotomous key 1 ... sharp upturned spine -- Macrozamia 6* Leaflet basal callus absent; sporophylls without a sharp upturned spine 7 Sporophylls with broad flattened upturned and overlapping apices -- Dioon 7* Sporophylls with blocky, faceted apices, not upturned ...
plantnet.rbgsyd.nsw.gov.au

The Cycad Pages
... which is often flattened or faceted, sometimes weakly bilobed, never produced into an upturned spine. Each microsporophyll bearing numerous microsporangia (pollensacs) on the abaxial surfaces. Microsporangia opening by ... ; seeds white -- Zamia encephalartoides 13* Leaflets papyraceous to coriaceous and tips not sharp 15 Leaflets 05-1 cm wide, linear; plants terrestrial, seeds red -- Zamia ...
plantnet.rbgsyd.nsw.gov.au
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