Plants in the Hortus
Many of the plants described here were listed in the catalogues of plants published by Sir William Macarthur in 1843, 1845, 1850 and 1857 and in an unpublished catalogue dated 1861. A large number of additional plants were identified from correspondence, gardening notebooks and other documents surviving in the archives. The Hortus attempts to describe all the plants grown in the gardens at Camden Park and those grown in horticultural enterprises such as orchards and vineyards and includes plants grown outside the gardens in the park-like environs of the Camden Park estate. The Hortus plants served a wide range of purposes in the 19th century household; as ornament, living fences, fibre, dyestuffs, medicines, food and drink from the garden, orchard and vineyard and many others.
Podocarpus elatus R.Br. ex Mirb.
Ornamental, small, occasionally tall, dioecious tree with fibrous bark and bright green lance-shaped leaves, to 15cm long. The seeds are borne on a blue-black, edible, fleshy receptacle, hence the common name. [Hilliers’, FNSW, Beadle].
Podocarpus lawrencei Hook.f.
Hardy, shrubby, decorative dwarf conifer, forming a low, densely-branched mound or a creeping carpet to 1-2 metres across. [RHSD, Hortus, Hilliers’, FNSW].
Podocarpus spinulosus (Smith) R.Br. ex Mirbel
Frost-tender evergreen shrub or small tree with rigid, pointed, linear leaves, to 6cm long, and blue-black fruit, to 1.2cm across. To 1m. [RHSD, Hortus, FNSW, Beadle].
Podocarpus totara G.Benn. ex D.Don
Half-hardy evergreen tree with leathery, sharply-pointed, yellowish leaves, scattered or two-ranked, to 2.5cm long, and reddish fruit. To about 20m. [RHSD, Hortus, Hilliers’].
Poinciana regia Boj. ex Hook.
Frost tender, erect, widely-branching evergreen tree with 2-pinnate leaves, to 60cm long, with numerous leaflets, and loose terminal or axillary racemes of bright scarlet flowers in summer, followed by pods up to 10cm long. To 12m. [RHSD, Hortus].
Polemonium caeruleum L.
Fully hardy, clump-forming perennial with compound leaves composed of up to 50 lance-shaped leaflets, and terminal or axillary cymes of open bell-shaped, lavender-blue, rarely white, flowers in early summer. To 90cm. [RHSE, Hortus].
Polemonium caeruleum L. var. gracile
See also Polemonium caeruleum L. In the variety gracile the lower leaves are up to 25cm long and smooth. [RHSD].
Polianthes geminiflora (Lex.) Rose
Frost-tender tuberous perennial with 5-6 narrow, semi-erect, linear, basal leaves, to 40cm long, and leafy stems bearing lax racemes of paired, pendant, tubular, bright orange-red flowers, to 2.5cm long, in summer. To 70cm. [RHSE, Hortus].
Polianthes tuberosa L.
Frost-tender tuberous perennial with a basal rosette of semi-erect, thin, lance-shaped leaves and spikes of tubular, intensely fragrant, waxy white flowers in summer. To 1.2m. [RHSE, Hortus].
Polianthes tuberosa L. var. flore pleno
For details see Polianthes tuberosa L. The double form has long been a popular plant and a dwarf, semi-double form, “The Pearl”, is the most commonly planted form today. [RHSE, Hortus].
Polygala myrtifolia L.
Frost tender, erect, bushy, evergreen shrub with oblong, leathery leaves and short, leafy, terminal racemes of purple-veined, greenish white flowers, to 2cm long, with crested keel petals, from spring to autumn. To 2.5m. [RHSE, Hortus].
Polygala oppositifolia Thunb. var. cordifolia
Half hardy evergreen shrub with opposite, heart-shaped leaves and terminal racemes of purple flowers with a yellowish-green keel, in spring. To 1m. The leaves of cordifolia are larger and more heart-shaped than the type. [RHSD].
Polygala oppositifolia Thunb. var. latifolia Harv.
An upright, evergreen shrub with broader, more ovate leaves than Polygala oppositifolia Thunb. var. cordifolia, which see, and freely-produced red-purple flowers in spring. To 50cm. [RHSD].
Polygala virgata Thunb. var. speciosa Harv.
Frost hardy erect shrub with reed-like stems, narrow leaves and purple flowers borne on conspicuous racemes, to 15cm long. The variety speciosa has purplish flowers with spreading pedicels. To 2m. [RHSD, Hortus, Hilliers’].
Polygonatum multiflorum (L.) All.
Fully hardy rhizomatous perennial with arching stems bearing from each lower leaf axil up to 6 pendant, tubular green-tipped white flowers, to 1cm long. To 90cm. [RHSE, Hortus].
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