To Common Index
Back To Main
To Scientific Index

Trinia glauca (L) Dumort.               Honewort



NOMENCLATURE

Trinia : Named after Karl Bernhard Trinius, (1778-1844)  Russian botanist.
glauca: bluish green colour.

PREVIOUS NAMES : T. vulgaris (D.C.) Apinella glauca (L) Caruel.

OTHER NAMES : Honeywort.

BSBI Picture Link to Trinia glauca


BOTANICAL DESCRIPTION


TYPE : glabourous, glaucous, dioecious biennial or perennial. Always monocarpic. Hs.
STEMS : solid, grooved, remains of petioles at the base. Much
branched, spreading at a wide angle.
HEIGHT : 5-20cm
UMBELS : compound. Male 1cm diam, flat topped. 4-8 smooth, subequal rays 5-10mm.
Female similar but very unequal rays up to 3 cm. Peduncle > than rays.
MALE PLANTS : dense partial umbels with numerous pedicellate flrs.
FEMALE PLANTS: Partial umbels lax, a few long-pedicellate flrs.
LEAVES : lower 2-3 pinnate, segments 5-15mm, linear, acute, with cartilaginous
apex. Petiole slender, sheathing below. Upper smaller, < divided. Cotyledons
tapered at the base, no petiole.
BRACTS : 0-1, 3-fid. Bracteoles: 0 to 3, 2-3 fid.
FLOWERS : White. Styles form stylopodium. Fl. 5-6.
FRUIT : 3mm, ovoid, laterally compressed, smooth. Commisure narrow. Mericarps
with prominent broad ridges. Carpophore present. Vittae: 5 large within the ridges
& 4 small between the ridges. Styles 2-3 x > than stylopodium, recurved and
appressed. Stigma capitate. 2n=18*

HABITAT : dry grassland. Dry limestone soil.

DISTRIBUTION :
native. Local S. Dev, N. Som. & Bristol.
C.& S.Europe, N. to S.England. SW. Asia.
BSBI Distribution Map for Trinia glauca (UK)


EXTERNAL LINKS FOR Trinia glauca


These links to trusted websites and institutions may provide in depth or additional information regards cultivation, chemistry, edibility, images etc. for the species. Links last updated Aug 2012.

Wikipedia (EU)    Bio Info (UK)     APHOTOFLORA (UK)
Bio Images (UK)


'Online Guide To Umbelliferae Of The British Isles' Compiled By J.M.Burton 2002