Native geranium

Geranium solanderi

Cotyledons:
Two.

Leaves:
Opposite. Leafy.
Stipules - Narrowly lance shaped to triangular, leafy, 3-6 mm long. Short low lying hairs.
Petiole - Up to 50 mm long. Hairy.
Blade - Semi circular or kidney shaped in outline, often notched at the base. 10-40 long x 10-65 mm wide, deeply, 5-7 lobes arranged like fingers on a hand. Lobes are egg shaped and divided into 3-5 pointed secondary lobes or with teeth on the upper leaves. Short low lying hairs.

Stems:
Up to 500 mm long. Angular at least in the upper part. Low lying or upward bending to erect. Course, soft to bristly, spreading or sometimes curved hairs. Occasionally has small glandular hairs also. Sometimes roots at the nodes.

Flower head:
Axillary on 10-50 mm long slender, stalks (peduncles), hairy with spreading bent back hairs. Usually 2 flowered.

Flowers:
On 15-50 mm, stiffly hairy stalks (pedicels).
Bracts - Narrowly triangular up to 4 mm long.
Ovary - Hairy. Style with 5 short stigmas or branches.
Sepals - Elliptic to egg shaped. 4-6 mm long x 2-2.5 mm wide. Tip pointed. Long hairs plus tiny glandular ones on the surface. Tiny hairs on the edges.
Petals - 5, pink with pale bases or white, often with yellowish veins, 5-12 mm long, egg shaped, overlapping. Tip smooth or with a broad shallow notch. Longer than sepals. Nectar gland between each petal.
Stamens - Filaments 4 mm long. All fertile.
Anthers - Yellow.

Fruit:
5 fruitlets surrounding a central column, oval to egg shaped, hairy with simple and glandular hairs, and a 9-15 mm tapering beak or awn. Awn with stiff, simple and glandular hairs on the outside and hairless on the inside, curls upwards from the base, carrying the fruit to form a corkscrew at maturity. Fruitlets (carpels) smooth.

Seeds:
Globular, 3-6 mm diameter. Wrinkled with rectangular pits that may be in rows on the back. Attached to a corkscrew awn.

Detrimental:
Weed of roadsides and pastures.

 

Plant Protection Products