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Connate-perfoliate: With the bases of opposite leaves fused around the stem.* Cup plant (Silphium perfoliatum), and boneset, (Eupatorium perfoliatum), are both native plants in this area which have connate-perfoliate leaves. …
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Convolute (from Latin convolutus): Rolled up, as leaves before unfurling.* Hosta leaves exhibit graceful spirals as they open in the spring thanks to their convolute arrangement in the bud. *Schmid, …
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Stylet: Any sharp, piercing, needle-like organ such as those that form the mouth parts of bugs, fleas, and mosquitoes.* Mealy bugs, scale insects, and aphids are examples of pests which …
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Anthesis: 1. The time of flowering in a plant. 2. The opening of a flower bud.* Anthesis for these crocuses is right about now! *Allaby, M. (2006). A dictionary of …
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Fascicle: Bundle or tuft, usually bound at the base by a tight clustering of thin scales; needles of pines, uniquely among conifers, are arranged in fascicles. * This Pinus sylvestris (Scots Pine) …
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Dehiscent: (De-his-cent) Bursting or splitting open at maturity. Usually used of a fruit that bursts open to release its seeds (e.g. pea pod).* The pods of dog-strangling vine are dehiscent fruits, …
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Follicle: A dry, dehiscent fruit composed of a single carpel and opening along a single side, as a milkweed pod.* *Harris, J.G., Harris, M.W. (2001). Plant identification terminology: An illustrated …
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Abscission: (ab-ˈsi-zhən) The controlled separation of leaves, flowers, and fruit from plants.* In autumn, leaves detach at the abscission zone, a layer of cells at the base of a leaf …
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Torose: Cylindrical with alternate swellings and contractions.* The Japanese pagoda trees (Sophora japonica) in the garden are covered with their characteristic torose pods. *Harris, J.G., Harris, M.W. (2001). Plant identification …
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Anthocyanic: Containing anthocyanin pigments.* Anthocyanins give plants their purple, blue, and scarlet colours. They are responsible for the vibrant reds and purples we see in some autumn leaves. Plants such …
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