Plants

Sambucus

Sambucus (Elder, Elderberry): overview, characteristics, uses and history

Sandalwood

Sandalwood: species, uses, history and conservation

Santalaceae

Santalaceae — the sandalwood and mistletoe family

Santalales

Santalales: the order of parasitic flowering plants

Sapindaceae

Sapindales

Sapotaceae

Sapotaceae: pantropical family of evergreen trees and shrubs

Sapote

Sapote: varieties, origins, cultivation and culinary uses

Sarcostemma clausum

Sarcostemma clausum (white vine) — description, habitat, and notes

Sargassum

Sargassum — free‑floating brown algae and its ecological role

Sarracenia

Sarracenia — North American trumpet pitcher plants

Sarracenia purpurea

Sarracenia purpurea — the purple pitcher plant

Sarsaparilla

Sarsaparilla (Smilax regelii): plant, traditional uses, and beverages

Sassafras

Savory (herb)

Saxifragaceae

Saxifragales

Schefflera actinophylla

Schefflera actinophylla — the umbrella tree

Schinus

Schinus areira

Schizanthus

Schizanthus (butterfly flower): description, species, cultivation and notable facts

Schlumbergera

Sciadopitys

Sciadopitys (Japanese umbrella-pine)

Sclerophyll

Scots pine

Scots pine (Pinus sylvestris): description, distribution, ecology and uses

Scrophulariaceae

Scrophulariaceae: the figwort family

Scrubland

Scrubland: ecology, types, and importance

Sea grass

Seagrass (marine flowering plants)

Seaweed

Seaweed: types, ecology, uses, and cultural importance

Seed

Seed dispersal

Seed fern

Seed fern (Pteridospermatophyta): extinct seed-bearing plants with fern-like foliage

Seed plants

Seedling

Seedling: the early stage of a plant's life

Senna (herb)

Senna (herb): botany, uses, cultivation, and taxonomy

Sepal

Sepal (botany)

Sequoia

Sequoia and Sequoyah: redwood trees, the Cherokee scholar, and modern namesakes

Sesame

Sesame (Sesamum indicum): plant, seeds, uses and cultivation

Sesamum

Shallot

Shallot: a mild, cluster-growing onion (Allium cepa variety)

Shamrock

Shamrock: symbol, botany, and cultural significance

Shonan Gold

Shonan Gold — a Japanese yellow citrus cultivar

Shoot

Plant shoots: definition, structure, development and uses

A shoot is the above-ground new growth of a plant — stems with their leaves, buds and flowers. This article explains shoot structure, development from seed, seasonal growth, uses a

Shrub

Shrub: definition, characteristics, uses and distinctions

Silk tree

Silphium

Silphium: the lost seasoning and resin of ancient Cyrene

Silver birch

Silver birch (Betula pendula)

Sirdavidia

Sirdavidia (monotypic genus in the Annonaceae family)