Anchusa L.

Bugloss (en), Buglosse (fr)

Genus

Angiosperms > Boraginales > Boraginaceae

Characteristics

Herbs annual or perennial, sparsely strigose or hispid, rarely soft appressed pubescent. Stems erect or spreading. Leaves alternate. Cymes terminal, widely spaced in fruit, scorpioid; bracts lanceolate. Calyx 5-parted nearly to base or less; lobes equal or unequal, linear to triangular, often slightly enlarged in fruit. Corolla blue-purple or yellowish, regular or slightly zygomorphic; tube usually longer than calyx, straight or arcuate or geniculate curved; throat appendages scaly or tuberculate and short pubescent; limb campanulate; lobes 5, equal or unequal, apex obtuse. Stamens inserted at or below middle of corolla tube, included; filaments short, filiform; anthers ovate-oblong, apex obtuse. Ovary 4-divided. Style included in corolla tube; stigma capitate, 2-cleft. Gynobase flat. Nutlets straight, reniform, or oblique-ovoid, reticulate-wrinkled; attachment scar at or near base, margin ringlike, thickened, hardened.
More
Annual, biennial or perennial herbs. Lvs alternate, usually hispid, less commonly villous. Infl. an axillary or terminal cyme, bracteate. Calyx 5-lobed, usually deeply so. Corolla tube straight or curved; limb rotate or campanulate, usually purple or blue, uncommonly white or yellow; throat with 5 ovate or oblong, papillose or hairy scales. Stamens included or slightly exserted. Style included; stigma capitate. Nutlets variously shaped, erect or oblique, reticulate, rugose or tuberculate, with thickened collar at base.
Cor funnelform or salverform, the throat often poorly defined, not much if at all longer than the ± spreading, equal or unequal, apically rounded lobes; nutlets with a stipe-like basal attachment that fits into a pit in the otherwise flattish receptacle, the basal margin of the nutlet forming a prominent thickened rim; leafy herbs, often pungently hairy, the blue fls borne in terminal, helicoid, bracteate false racemes with persistently erect or ascending pedicels. (Lycopsis) 40, Old World.
Life form
Growth form herb
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.3 - 0.6
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 4-9

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) 7 - 30
Germination temperacture (C°) 21
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -