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#1
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grasses: culms with pith
Hallo!
Most culms of grasses are hollow. But in Allaby's Dictionary of Botany is written some grasses had culms filled with pith. Could anyone give examples? Wich species of Gramineae have culms filled with pith? Thanks in advance! Dirk |
#2
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"Dirk Bindmann" wrote in message ... Hallo! Most culms of grasses are hollow. That may be correct, but I'm really not sure. There are many grasses that don't have hollow culms. I couldn't say how the family breaks down in terms of numbers of species with and without hollow culms. But in Allaby's Dictionary of Botany is written some grasses had culms filled with pith. A solid true pith that is without vascular bundles? Many grasses do have solid culms, but IIRC at least some of them like maize tend to have scattered vascular bundles throughout the stem center, and thus not a true pith. Could anyone give examples? Wich species of Gramineae have culms filled with pith? Google searching for "culms solid" and for "solid culms" and for [culms pith poaceae hollow] or [culms pith gramineae hollow] seem to find some likely links. Anyway, corn [Zea mays], sugarcane [Saccharum], and sorghum [Sorghum spp.] are familiar examples of solid-stemmed grasses. [Sorghum however is reported to sometimes show hollow spaces in the pith] Some bamboos are evidently also described as having solid culms, as are various different non-bamboo grasses. cheers |
#3
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In article , "mel turner" writes: | "Dirk Bindmann" wrote in | message ... | | Most culms of grasses are hollow. | | That may be correct, but I'm really not sure. There are many grasses | that don't have hollow culms. I couldn't say how the family breaks | down in terms of numbers of species with and without hollow culms. | | Anyway, corn [Zea mays], sugarcane [Saccharum], and sorghum [Sorghum | spp.] are familiar examples of solid-stemmed grasses. [Sorghum | however is reported to sometimes show hollow spaces in the pith] | | Some bamboos are evidently also described as having solid culms, | as are various different non-bamboo grasses. And that's just the big ones. As any inveterate grass-chewer can witness, some of the small ones are hollow and some solid. I am exactly in your position as regards the first paragraph. Regards, Nick Maclaren. |
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