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  2. Beware: Your Rhubarb Can Potentially Make You Sick - AOL

    www.aol.com/lifestyle/beware-rhubarb-potentially...

    The stalks of rhubarb that you find at the grocery store are entirely safe to eat—but the leaves are toxic. “The leaves are very high in oxalates, so you should not consume the inedible and ...

  3. How to Grow Rhubarb - AOL

    www.aol.com/grow-rhubarb-171017423.html

    To store rhubarb, place the stalks in a plastic bag with a damp paper towel, and keep them in the fridge for up to two weeks. To freeze rhubarb, cut the stems into small pieces, and freeze them in ...

  4. Petiole (botany) - Wikipedia

    en.wikipedia.org/wiki/Petiole_(botany)

    The petiole is a stalk that attaches a leaf to the plant stem. In petiolate leaves the leaf stalk may be long (as in the leaves of celery and rhubarb), or short (for example basil). When completely absent, the blade attaches directly to the stem and is said to be sessile. Subpetiolate leaves have an extremely short petiole, and may appear sessile.

  5. Rhubarb - Wikipedia

    en.wikipedia.org/wiki/Rhubarb

    The leaves are believed to also contain an additional, unidentified toxin, [53] which might be an anthraquinone glycoside (also known as senna glycosides). [54] In the petioles (leaf stalks), the proportion of oxalic acid is about 10% of the total 2–2.5% acidity, which derives mainly from malic acid. [12]

  6. Talk:Rhubarb - Wikipedia

    en.wikipedia.org/wiki/Talk:Rhubarb

    The "stalk" is the leaf petiole. A petiole is the stalk that joins the leaf blade to the plant stem. Since the stem of rhubard plants is under grown, the parts of the plant that people pick is the leaf, which includes the blade(the large flat green colored part) and the petiole or stalk that joins the leaf blade to the underground stem.

  7. 52 Must-Try Rhubarb Recipes for Dessert, Dinner & Drinks - AOL

    www.aol.com/52-must-try-rhubarb-recipes...

    The stalks are edible, but the leaves contain oxalic acid which can be poisonous, so they should be avoided. Rhubarb stalks can be eaten raw and have a similar texture to celery, with a very tart ...

  8. Lixus concavus - Wikipedia

    en.wikipedia.org/wiki/Lixus_concavus

    Sap on rhubarb stalk caused by L. concavus. The adult rhubarb curculio overwinters in leaf litter or other similar sites and appears in mid-May. The adult makes feeding and egg punctures in the crowns, roots, and stalks; a jelly-like sap exudes from the wounds as glistening drops of gum, often with extraneous material trapped within.

  9. Rhizome - Wikipedia

    en.wikipedia.org/wiki/Rhizome

    A stem tuber is a thickened part of a rhizome or stolon that has been enlarged for use as a storage organ. [10] In general, a tuber is high in starch, e.g. the potato, which is a modified stolon. The term "tuber" is often used imprecisely and is sometimes applied to plants with rhizomes.