AEGONYCHON PURPUROCAERULEUM
Common Names:- Purple gromwell, Creeping gromwell.
Homotypic synonyms:- Buglossoides purpurocaerulea, Lithospermum
purpurocaeruleum.
Meaning:- Aegonychon (Gr) Built from Greek roots meaning "goat" (aig-) and
"claw" or "hoof/nail" (onyx), historically applied to plants with hard, stony seeds
reminiscent of a small animal's claw or nail.
Purpurocaeruleum (L) Derived from Latin purpureus (purple) and
caeruleus (blue/sky-blue). It describes how the flower color shifts from reddish-
purple to deep blue as it matures.
General description:- Herbaceous perennial plant, featuring upright flowering
stems, distinctive color-changing tubular flowers, and creeping sterile stolons that
root at the tips.
Rhizome:-
1) Woody, with long, creeping, sterile procumbent stolons, that can root at their
apices or nodes to form new plants.
Stems:-
1) Erect, unbranched, pubescent, typically reaching heights of 20-60 cm.
Leaves:-
1) Alternate, along the stem, lanceolate to narrow-elliptic. upper surface, dark green
paler beneath with a prominent, raised midrib, and rough or finely hairy margins.
Flowers:-
1) Inflorescence, terminal, few-flowered cymes, clustered near the top of the stems.
2) Corolla, infundibuliform to tubular, 11-16 mm long, with five spreading lobes.
Opening with a reddish-purple or pinkish-violet hue, gradually changing to a
brilliant gentian-blue as the flower ages.
Fruit:-
1) Nutlets, 4, smooth, hard, porcelain-white, and shining.
Toxicity:- Generally considered not toxic to humans and pets, though historical
data on edibility and safe alimentary uses are sparse or unrecorded
Habitat:- Prefers base-rich, calcareous soils (chalk or limestone) high in humus in
warm, dry deciduous woodland edges, scrublands, hedgerows, and clearings.
Distribution:- Native across temperate regions of Europe and Western Asia
(including Iran and the Caucasus). In Great Britain, a rare, native perennial found
locally in southern and eastern areas
Flowering time:- Spring to early summer (typically April to June).
Status:- In Great Britain, it is classified as a native, rare, and scarce species with a
GB Red List status of Least Concern, though it is listed as Endangered on the
Welsh Red List.
Photos by:- Courtesy Wiki Commons