lower whorl造句

Inflorescence usually racemose, rarely branched in the lower whorl, having 6-13 whorls.
"' Liparoceras "'is an extinct fossil ammonite species from the Early Jurassic period of England, and is found in lower whorl.
This handsome species is particularly remarkable by the turreted whorls, and above all by an original deposit of whiter calcareous matter, which is seen at the upper part of the lower whorls of the shell.
The cloour of the periostracum is whitish or yellowish, sometimes with red hue and usually with two brown colour bands on the upper side and 3-4 narrower bands on the lower side, initially finely ribbed, weakly striated at lower whorls.
Diagnosis : Initial teleoconch whorls with often whitened riblets, which become more irregular and are often not whitened on the lower whorls; parietal side of the apertural border usually protruding; lamella columellaris clearly protruding into the aperture; lamella parietalis moderately long, i . e . reaching slightly further than the lamella spiralis; lunella prominent.
It's difficult to find lower whorl in a sentence. 用lower whorl造句挺难的

Flowering stalk is 40 50 cm tall, inflorescence up to 12 20 cm long, flowers arranged in 2-6 whorls, bracts of the lower whorl reach a length of 2.5 4 cm and a width of 0.5-0.8 cm, bracts in further whorls being only 2 5 mm long.