About Sideritis macrostachyos Poir.
Stem Characteristics
Sideritis macrostachyos Poir. has branched woody stems.
Leaf Stalk and Margin Features
Its thick, wrinkled leaves are stalked (petiolate) and have finely rounded toothed (crenulate) outlines.
Leaf Shape Variation
Upper leaves are oval, while lower leaves are much larger and more rounded.
Upper Leaf Surface Features
The upper leaf surface is green, ranging from softly hairy (pubescent) on upper leaves to nearly smooth (glabrous) on lower leaves.
Lower Leaf Surface Features
The lower leaf surface is white and covered in cottony down.
Inflorescence Structure
Flowers are arranged in large, stiff, tufted terminal spikes.
Individual Flower Arrangement
Individual flowers are stalkless (sessile), grouped in tight whorls that are separated by small bracts.
Seed Characteristics
Its seeds are small, brown, and rounded.