explanation

Grass culm diagram in pencil showing knee where the grass bends in growth

Grass flowering head diagram in pencil

Flower parts anatomy cross section showing stamens and gynoecium

Parts of a flower diagram from the side and above, showing sepals, petals, stamen, and pistil

Vascular vs non vasular plants diagram including information on the cross section of a flower and a detail of a moss sporophyte and gametophyte and cross sections on a cellular level of a moss and a harebell stem

Schematic of a flower in colour showing petals, calyx, stamen and pistil

Alternate leaves diagram showing a sprig of ash and a less closely packed example

Dichasial cyme diagram showing the pattern of this flowering form

Disc floret diagram with seed attached and stamens and pistil on show

Dead leaves rotting and decomposing into compost from newly fallen to decomposed and down to small leaf patricles like compost

Diagram of a bract with little flower growing from behind the bract

Bulbil diagram showing how it emerges at the junction of the stem and leaf

Abscission diagram showing ho w the abscission layer lets the leaf fall off without exposing the plant to pathogens

Auxin diagram showing how applying auxin to the top of a plant encourages vertical rather than lateral growth