All Species Plantae

Hieracium megacephalum Nash is a plant in the Asteraceae family, order Asterales, kingdom Plantae. Not known to be toxic.

Photo of Hieracium megacephalum Nash (Hieracium megacephalum Nash)
Plantae

Hieracium megacephalum Nash

Hieracium megacephalum Nash

Hieracium megacephalum is a North American hawkweed species native only to the southeastern US, with yellow ray flower heads.

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Family
Genus
Hieracium
Order
Asterales
Class
Magnoliopsida
⚠️ Toxicity Note

Insufficient toxicity evidence; avoid direct contact and ingestion.

About Hieracium megacephalum Nash

Common Names and Basic Classification

Hieracium megacephalum, commonly called coastal plain hawkweed or bigheaded hawkweed, is a North American plant species. It belongs to the tribe Cichorieae in the family Asteraceae.

Distribution Range

This species grows only in the southeastern United States, specifically within Georgia, Florida, and the Carolinas.

Growth Form and Height

Hieracium megacephalum is an herb that reaches up to 40 cm (16 in) in height.

Leaf Arrangement

It produces leaves along its stem as well as a rosette of leaves at its base.

Leaf Characteristics

Its leaves can grow up to 120 mm (4.7 in) long, and sometimes have toothed edges.

Inflorescence Structure

A single stalk can produce up to 50 flower heads arranged in a flat-topped cluster.

Flower Head Composition

Each flower head holds 20 to 50 yellow ray flowers, and has no disc flowers.

Photo: (c) Mary Keim, some rights reserved (CC BY-NC-SA) · cc-by-nc-sa

Taxonomy

Plantae Tracheophyta Magnoliopsida Asterales Asteraceae Hieracium

More from Asteraceae

Sources: GBIF, iNaturalist, Wikipedia, NCBI Taxonomy · Disclaimer

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