Orlaya grandiflora (L.) Hoffrn.

2183 (2). O. grandiflora (L.) Hoffrn., Gen. Umbell. ed. 1 (1814) 58; Hayek. Prodr. Fl. Penins. Balc. I (1927) 1053; Heywood, Fl. Eur. II (1968) 373; Caucalis grandiflora L., Sp. PI. ed. 1 (1753) 240 — Едроцветно срамливче

Fam:   Umbelliferae Juss. (Apiaceae}
Genus:   Orlaya Hoffm.
Species: Orlaya grandiflora (L.) Hoffrn.
English Name: White flower, White lace flower


An annual plant. The root is thin, spindle-shaped, unbranched. Stem 10 - 50 (-80) cm high, erect, unbranched or almost branched from the base, bare. Leaves 2 to 3 times cirrous divided, glabrous or sparsely bristly along the veins below and roughly ciliate at the end; the lower ones with petioles extended to the base in white membranous vaginas and with 5 - 8 pairs of first-order lobes; upper seated; main lobes rounded ovate, obtuse; end sections linear sharp, about 1 mm wide, entire, short pointed; the upper leaves are often totally reduced. Complex umbels about 5 cm in diameter; main rays 5 - 12, finely rough on the inside, at the base with a shell of 5 lance, pointed, greenish in the middle with whitish longitudinal vein, at the end with a wide white membranous stripe ciliate leaflets, almost equal in length to the rays or slightly shorter. umbels with 2 - 4 fruit and many stamen flowers; bracts (3-) 5 (-8), elliptical-lance, short-pointed, longer than the flower petioles. Petals white, oblong back heart-shaped; the outer of the final blossoms of the umbels 8 - 13 (-18) mm long, up to 8 times longer than the others. Fruits (6-) 7 - 9 mm long and (3-) 4 - 5 mm wide, ovoid or ovate-lance; main ribs almost imperceptible, densely bristly fibrous; dorsal secondary ribs covered with 2 - 3 rows slightly curved forward and unconnected at the base of each other spikes, shorter than the width of the fruit.

Economic significance. Weed. The flavonol aglycone quercetin was found in the aboveground part.

From:   „Флора на Н. Р. България”, том VIII, БАН, София, (1982)

*   *   *   *   *

O. grandiflora, white laceflower, is well-known and widely cultivated as an ornamental in the UK and elsewhere. It has gained the Royal Horticultural Society’s Award of Garden Merit.[2][3]

From Wikipedia, the free encyclopedia

*   *   *   *   *
Wikipedia does not have an article with this exact name. Please search for Orlaya grandiflora in Wikipedia to check for alternative titles or spellings.

From Wikipedia, the free encyclopedia

*   *   *   *   *

Flowering Time: Blooms: V - VII.

Distribution in Bulgaria: Growing in grassy and stony places, in meadows, bushes and light oak forests, along roads, like weeds in cereals and trench crops and mainly vineyards. Widespread, up to 900 m above sea level. (Conspectus of the Bulgarian Vascular Flora) = conspectus&gs_l= Zlc.

Distribution: Southern, Central and Western Europe (north to Belgium), Mediterranean, Caucasus, Central and Southwest Asia.

Conservation status and threats: not protected species in Bulgaria by the Biodiversity Law. - Biological Diversity Act -

Medical plant: it is not medical plaant - Medicinal Plants Act -

References: „Флора на Н. Р. България”, том VIII, БАН, София, (1982), Wikipedia, the free encyclopedia

1. 2.


© K.Nanev


© Copy right: K. Nanev© 2012. All rights reserved