Subtending

Some articles on subtending:

Inflorescence - General Characteristics - Metatopy
... Recaulescences is the fusion of the subtending leaf with the stem holding the bud or the bud itself, thus the leaf or bract is adnate to the stem of flower ... When the formation of the bud is shifted up the stem distinctly above the subtending leaf, it is described as concaulescent ... Flower and subtending bract Lilium martagon (flower and subtending bract) Concaulescence Solanum lycopersicum (concaulescence) Recaulescence Tilia cordata (recaulescence) ...
Ptolemy's Theorem - Corollaries - Corollary 4: Compound Angle Sine (−)
... In particular if the sides of a pentagon (subtending 36° at the circumference) and of a hexagon (subtending 30° at the circumference) are given, a chord subtending 6° may be calculated ...