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Stipules can be considered free lateral, adnate, interpetiolar, intrapetiolar, ochreate, foliaceous, bud scales, tendrillar or spiny. A stipule can be fused to the stem, or to the other stipule from the same node. A stipule is "adnate" if it's fused together on part of the petiole length, but the anterior is still free.
Alternate, simple, lanceolate to linear, rarely ovate to oblong, obtuse at the base, acute at the apex, coarsely and remotely serrate; petiole much shorter than the blade; stipulate, stipules free-lateral, unequally paired at the node, reticulate venation.
Stipules may be lasting and not be shed (a stipulate leaf, such as in roses and beans), or be shed as the leaf expands, leaving a stipule scar on the twig (an exstipulate leaf). The situation, arrangement, and structure of the stipules is called the "stipulation". Free, lateral As in Hibiscus. Adnate Fused to the petiole base, as in Rosa. Ochreate
Hydrocharis morsus-ranae is a perennial plant with a stoloniferous growth, reaching a diameter of 0.1 to 1.5 meters. It forms individual rosettes ranging from 1 to 30cm. While mainly having separate male and female plants, it sometimes shows both sexes on different shoots within a group of plants (genet) rather than within the same rosett
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The U.S. House of Representatives plans to vote on Tuesday on a bill supported by Republican President-elect Donald Trump to essentially ban transgender girls and women from competing in school ...
Prickles on a blackberry branch. In plant morphology, thorns, spines, and prickles, and in general spinose structures (sometimes called spinose teeth or spinose apical processes), are hard, rigid extensions or modifications of leaves, roots, stems, or buds with sharp, stiff ends, and generally serve the same function: physically defending plants against herbivory.
On Jan. 27, the coffee giant announced that it is now offering free refills and bringing back the condiment bar. Starbucks says that starting today, customers will once again be able to add their ...