Gratiola L.

Hedgehyssops (en), Gratiole (fr)

Genus

Angiosperms > Lamiales > Plantaginaceae

Characteristics

Sep 5, distinct or nearly so, elongate, usually unequal; cor tubular or narrowly campanulate, bilabiate, the lobes of the upper lip united nearly to the tip, hairy at the base within, those of the lower lip rounded; stamens 2, inserted near the middle of the cor-tube; second pair of stamens represented by minute sterile filaments, or none; connective of anthers in most spp. expanded and saucer-shaped, longer and wider than the transverse pollen-sacs, or in G. pilosa not expanded, shorter and narrower than the longitudinal pollen-sacs; stigmas 2, plate-like; fr septicidal or also loculicidal; small annual or perennial herbs with opposite lvs and small yellow or white fls on solitary axillary pedicels, usually subtended by a pair of sep-like bractlets just beneath the cal. 20, widespread.
More
Fls axillary, solitary, subtended by 2 bractlets, calyx deeply cut into 5 subequal lobes. Corolla-tube cylindric, upper lip entire or 2-fid, lower 3-fid. Stamens 2; staminodes 2, filiform, or lacking. Style filiform, stigma entire or 2-lamellate. Capsule ± ovoid, 4-valved, dehiscent from columnar axis. Seeds ∞, small, reticulate. Widespread genus of mostly perennial small glab. to glandular-pubescent herbs with opp., sessile, simple, entire or toothed lvs. Some 30 spp., the N.Z. spp. occurring also in Australia and Tasmania.
Life form perennial
Growth form herb
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) -
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) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -