What does asterid mean?
An asterid is any member of the asterids, one of the two great branches of the eudicot flowering plants. This enormous group encompasses tens of thousands of species arranged in orders such as Asterales (daisies and sunflowers), Lamiales (mints and olives), Solanales (potatoes, tomatoes, and petunias), and Apiales (carrots and parsley). Botanists recognize asterids partly by features such as petals that are often fused into a tube, as seen in the bell-shaped flowers of many members. The word is technical rather than everyday: it appears chiefly in plant systematics, ecology, horticulture, and science writing, where it serves as a convenient shorthand for discussing relationships among hugely diverse plants. Knowing the term is useful because the asterids supply a striking share of human food crops, medicines, and ornamental garden plants, making them one of the most consequential lineages in the plant kingdom.
nounA member of the asterids, a large group (clade) of flowering plants within the eudicots that includes familiar families such as the daisies (Asteraceae), nightshades (Solanaceae), mints (Lamiaceae), and umbellifers (Apiaceae).
- Any flowering plant belonging to the asterids, a major clade of eudicot angiosperms that includes the orders Asterales, Lamiales, Solanales, Apiales, and related groups.
"Tomatoes, potatoes, and coffee all belong to the asterids, one of the largest lineages of flowering plants."
"The asterids are characterized in part by their united petals and distinctive chemical profiles."
"Phylogenetic studies placed the carrot family firmly among the core asterids."
The standard plural, also used as the informal collective name for the clade itself.
"Many asterids produce alkaloids that deter herbivores."
If you've ever eaten a potato, sipped coffee, or smelled a mint, you've met an asterid — this single branch of the plant tree supplies much of human food and medicine.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of asterid
The word derives from New Latin 'Asteridae', the name given to a subclass of flowering plants, itself formed from Greek 'astēr' meaning 'star' — a reference to the star-like flower heads of the asters and their relatives in the daisy family. As modern molecular phylogenetics replaced the older Linnaean hierarchy with clades, the term passed from the taxon name 'Asteridae' to the anglicized plural 'asterids' for members of the group. It shares its root with words such as 'asteroid', 'asterisk', 'astral', and 'astronomy', all ultimately tracing back to the same Greek word for star.
How asterid is actually used
Strictly scientific register: used almost exclusively in botany, plant systematics, and academic writing. It is typically lowercase ('asterid'), unlike the formal clade name 'Asteridae'. Ordinary readers will encounter it only in nature writing or science journalism about plant evolution.
Easily confused with asterid
An aster is a specific genus of daisy-like flowering plants, whereas an asterid is any member of the much broader evolutionary group (asterids) that includes asters along with many unrelated plant families.