Botanical Nerd Word: Septum
Septum: (plural septa) wall between chambers (locules) in an ovary or fruit.* In the cross section of this tomato, you can see the septa separating…
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Botanical Nerd Word: Node
Node: The position on the stem where leaves or branches originate.* Dog-strangling vine, pictured above, produces two leaves at each node along the stem. *Harris, J.G.,…
Botanical Nerd Word: Calyptra
Calyptra: Hood or cap, as with the fused calyx of California poppies (Eschscholzia californica) or onions (Allium)* The papery covering of these Allium blooms is called…
Botanical Nerd Word: Flabellate
Flabellate/Flabelliform: Shaped like a fan.* Ginkgo trees are easily identified by their flabellate leaves. *Allaby, M. (2006). A dictionary of plant sciences (Revised ed.). Oxford: Oxford…
Botanical Nerd Word: Recurved
Recurved: Curved backward toward the point of attachment.* The petals of this lily are recurved. *Pell, S.K., Angell, B. (2016). A botanist’s vocabulary: 1300 terms…
Botanical Nerd Word: Maculate
Maculate: Marked with splotches or dots.* Many plants are grown for their decorative spotted foliage, such as Pulmonaria and Aucuba. *Pell, S.K., Angell, B. (2016). A…
Botanical Nerd Word: Lyrate
Lyrate: [of leaves] Pinnatifid with the terminal lobe rounded and much larger than the subtending lobes.* The word lyrate is used to describe leaves that…
Botanical Nerd Word: Sinus
Sinus: The portion of a leaf margin that dips in between two lobes or crenations.* The alternating sinuses and lobes around the margins of maple leaves…
Botanical Nerd Word: Scorpioid
Scorpioid: Shaped like a scorpion’s tail, as in some coiled cymes.* Symphytum (comfrey) produces flowers in a scorpioid cyme. *Harris, J.G., Harris, M.W. (2001). Plant identification…
Botanical Nerd Word: Papilionaceous
Papilionaceous: Butterfly-like, as the irregular corolla of a pea, with a banner petal, two wing petals, and two fused keel petals.* Baptisia is a member…