Mindblown: a blog about philosophy.

With a longitudinal channel or groove; Channeled with a longitudinal groove.    

Ovule with embryo-sac curved and at right angles to its stalk. Said of an ovule or seed when bent upon itself.  

(Of venation) with several pronounced secondary veins diverging from near the base, curving away and then converging towards the apex.  

(Of venation) in which the secondary veins curve towards the margin of the leaf but do not form loops.  

Layer of growing tissue that produces new cells, between xylem and phloem.  

Crassulacean acid metabolism: a metabolic pathway for carbon dioxide fixation; CAM plants fix carbon dioxide during the night, and CAM is especially common in plants of hot and arid areas.  

The tube (as distinct from the calyx limb) in a gamosepalous calyx; sometimes used for hypanthium. The tube formed when the lower parts of the sepals are fused together.  

The limb as distinct from the tube in a gamosepalous calyx; the lobes, the expanded, nonjoined part.  

Cap-like (e.g. of petals, when they fall off as a coherent unit). Having a delicate skirtlike covering that separates from the spore wall proper.