saccatum造句

• "Geastrum saccatum " is saprobic, and grows scattered or clustered together in leaf litter of humus, usually in late summer and fall.
• A study on the related species " Geastrum saccatum " has shown that these crystals are responsible for the characteristic opening ( dehiscence ) of the outer peridial layers.
• Sack-Shaped Catasetum ( " Catasetum saccatum " ), a tropical South American species, discussed by Darwin, actually launches its viscid pollen sacs with explosive force, when an insect touches a seta.
• Similar species include " Geastrum saccatum ", which is larger  up to across  and has a clearly delimited ring-like area around the pore opening . " Geastrum rufescens " has reddish tones that are absent from " G . fimbriatum ".
• The related species " Geastrum fimbriatum " does not have an apical disc, and its pores are slightly smaller . " G . saccatum " may be distinguished from " G . indicum " by the absence of loose tissue forming a collar around the base of the endoperidium.