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Boronia boliviensis J.B.Williams & J.T.Hunter
Family Rutaceae
Common name: Bolivia Hill Boronia

Boronia boliviensis J.B.Williams & J.T.Hunter APNI*

Synonyms: Boronia boliviensis J.B.Williams ms. (Williams 89556) APNI*
Boronia sp. aff. granitica (Bolivia Hill) (J.B. Williams 89556) APNI*
Boronia sp. bolivia hill APNI*
Boronia sp. J APNI*

Description: Much-branched shrub to 1.5 (-2.2) m high, odoriferous, branchlets with a dense covering of very short, sessile, mullti-anngular yellowish stellate hairs, becoming glabrous with age.

Leaves pinnate with mostly 7–11 leaflets; rachis 2–12 (-20) mm long, jointed, 8–15 mm wide, narrowly winged, rachis wings flat or recurved; leaflets narrow-elliptic, sessile, 3.8–9 mm long, 0.5–1.5 mm wide, apex acute to sub-obtuse, margins entire and closely revolute, upper surface deep green with a sparse indumentum of stellate hairs or ± glabrous, petiole 1–3 mm long.

Inflorescences axillary, 1–3-flowered; peduncle 1.5–2 mm long, pedicels 2–3 mm long. Calyx lobes 2.5–3.8 mm long, deep red, stellate hairy, narrow-deltate, acute or acuminate. Petals pink, 4–9 mm long, very short stellate-tomentose on outer surface, glabrous or with fine simple hairs on inner surface. Filaments 1–2 mm long, glandular to tuberculate; anther with erect apiculum. Style glabrous or sparsely hairy.

Fruit with cocci glabrous, 4–5 mm long, 2–3 mm wide. Seeds 3–4 mm long, 1–2 mm wide.

Photo A.E. Orme

Flowering: Flowers mainly September to November.

Distribution and occurrence: Populations of this species are restricted to the higher parts of the Bolivia Range, particularly on Bolivia Hill S of Tenterfield.

Occurs in low shrublands and heaths on granite rock outcrops at altitudes between 900-1200 m.
NSW subdivisions: NT

Threatened species: NSW BCA: Endangered
AVH map***

This species is considered data-deficient by Saving our Species (SoS, DPIE) which means a conservation project cannot be developed for it. Visit their website and contact SoS if you have additional information.

Text by Louisa Murray
Taxon concept: William, J.B. and Hunter, J.T. (2006) Boronia boliviensis (Rutaceae series Erianthae), a new rare granite outcrop endemic from north-eastern New South Wales. Telopea 11(3) 260-264.

APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.
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