Eucalyptus boliviana (a shrub or tree) - vulnerable species listing

The Scientific Committee, established by the Threatened Species Conservation Act, has made a Final Determination to list the shrub or tree Eucalyptus boliviana J.B. Williams & K.D. Hill as a VULNERABLE SPECIES in Schedule 2 of the Act. Listing of vulnerable species is provided for by Part 2 of the Act.

NSW Scientific Committee - final determination

This final determination has been superseded by the April 2024 final determination for Eucalyptus boliviana J.B. Williams & K.D. Hill.

The Scientific Committee has found that:

1. Eucalyptus boliviana (family Myrtaceae) is described by Williams and Hill (2001) in Telopea Volume 9(2), page 409 as: a shrub or mallee to 5 m tall, sometimes a tree to 12 m. Bark persistent, long-fibrous ('stringy') with included thin scales, branches to c. 2 cm diam. smooth, weakly glaucous, quadrangular. Seedling leaves not seen. Juvenile leaves elliptical, dull green, glaucous, glabrous, 8-11 cm long, 3-6 cm wide, petioles 2-3 cm long. Adult leaves semi-glossy green with a bluish sheen, becoming glossy green with age, glabrous, highly coriaceous, similifacial, broad-lanceolate, acute or apiculate, oblique at base, 8-13 cm long, 2.0-5.0 cm wide; petioles 2.0-3.0 cm long, strongly flattened to quadrangular, usually several times twisted, decurrent into strong ribs on branchlets. Inflorescences axillary; umbellasters 7-flowered. Peduncles thick and broadly flattened, 4-10 mm long, to 7 mm wide. Mature buds sessile, glaucous, ovoid to rhomboid, often curved, strongly 3-4 angular, 7-10 mm long, 6-7 mm diam., calyptra as long as hypanthium. Flowers yellow. Filaments irregularly flexed, stamens all fertile, anthers reniform. Fruits sessile, tightly clustered, flattened-globular, weakly angular, distinctly flanged at top of hypanthium, glaucous, 4-(rarely 5)-locular, 7-11 mm long, 9-15 mm diam. Calyptra scar and stemonophore raised, 0.5-1 mm wide. Disc raised, 2-4 mm wide. Valves broadly triangular, obtuse, raised at low angle, tips exserted. Seeds dark brown, semi-glossy, pyramidal or D-shaped, 1.5-2 mm long; chaff similar, smaller.

2. The species is endemic to New South Wales and is known from granite outcrops and woodlands on acid volcanics. It is restricted to the Bolivia Range in the New England Tablelands.

3. The majority of the Eucalyptus boliviana population is known from only two locations, both within Bolivia Hill Nature Reserve, with further scattered individuals nearby. Total population size is small and estimated to be less than 1500 individuals.

4. Due to a restricted distribution and small total population size, the species is threatened by stochastic events.

In view of the above the Scientific Committee is of the opinion that Eucalyptus boliviana J.B. Williams & K.D. Hill is likely to become endangered unless the circumstances and factors threatening its survival or evolutionary development cease to operate.

Proposed Gazettal date: 06/12/02
Exhibition period: 06/12/02 - 24/01/03