"Petiole" Quotes from Famous Books
 ... to Phyllanthus, I think that it would be a good experiment to cut off most of the leaflets on one side of the petiole, as soon as they are asleep and vertically dependent; when the pressure is thus removed, the opposite leaflets will perhaps bend beyond their vertically dependent position; if not, the main petiole might ...
— More Letters of Charles Darwin Volume II - Volume II (of II) • Charles Darwin
... system of branching vessels carrying a pale milky fluid were seen coming from the extremities of the leaf, and covering the whole under side of it, and joining two large veins, one on each side of the red artery in the middle rib of the leaf, and along with it descending to the foot-stalk or petiole. On slitting one of these leaves with scissors, and having a magnifying-glass ready, the milky blood was seen oozing out of the returning veins on each side of the red artery in the middle rib, but none of the red fluid ...
— A History of Science, Volume 4(of 5) • Henry Smith Williams
... loose compound cluster of flowers or sporangia with irregular stems. PEDICEL. A tiny stalk, especially the stalk of the sporangia. PELLUCID. Clear, transparent. PERSISTENT. Remaining on the plant for a long time, as leaves through the winter. PETIOLE. The same as stalk or stipe. PINNA. One of the primary divisions of a frond. PINNATE. Feather-like; with the divisions of the frond extending fully to the rachis. PINNATIFID. Having the divisions of the frond extend halfway or ...
— The Fern Lover's Companion - A Guide for the Northeastern States and Canada • George Henry Tilton |
