Communities

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Scientific Name

Hibbertia obtusifolia

Family Name

DILLENIACEAE

Common Name

Hoary Guinea-flower

Status

Endangered

Height

1.0m (100cm)

Flowers

Profuse, bright golden yellow flowers to 4 cm across; sessile, terminal on short branches.

Fruit

Seed follicles

Form

Small shrub, sometimes sprawling; erect stems, soft silky hairs on young growth.

Municipalities

Burnie; Flinders Island; West Coast

Communities

Dry Eucalypt Forest and Woodland

Habitat Notes

Widespread, usually in open forests, but occurs in other habitats also. Extremely variable. Clarke Island, Bass Strait (Elliot and Jones) "Known by 1 specimen collected in 1892" (Curtis)

Site Tolerance

Dry; Moist; Filtered sun or partial shade

Frost Tolerance

Moderate

Soil Tolerance

Fertile; Loam; Phosphorous intolerant; Well-drained

General Notes

Susceptible to Phytophthora cinnamomi. Suitable below powerlines.

Propagation Details

Propagation Calendar

Flowering Months

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Seed Collecting Months

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sowing Months

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Cutting Months

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Seed Information

Seed Collection

Seeds drop quickly during hot weather; collection is difficult and time consuming and only a few viable seeds are produced. these often are predated by insects

Seed Treatment Method

Smoke

Seed Storage Life

1 to 2 years

Viable Seeds Per Gram

Seed Treatment Notes

Difficult to germinate from seed; germination rate may be improved slightly by smoke treatment.

Germination Time

1 to 3 months

Suitable for Direct Seeding

Cuttings

Expected Time to Take Root

Expected Time to Plant Out

Propagation by Division N.B. Transplant only from nearby to avoid disease.

Cutting Notes

Propagate from cuttings of firm young growth