Colin Mills, compiler of the Hortus Camdenensis, died in late November 2012 after a short illness. As he always considered the Hortus his legacy, it is his family's intention to keep the site running in perpetuity. It will not, however, be updated in the near future.

Herbaceous Plants

A division of the Camden Park catalogues that is poorly defined. Annuals and perennial herbs were included here. This is retained but Annuals are also separately identified.

Thysanotus juncifolius (Salisb.) J.H.Willis & Court

Frost-hardy herbaceous plant with rush-like foliage and a slender, loosely branched inflorescence of a few purple, fringed flowers in spring and summer.  [RHSD, FNSW, Beadle].

Tillandsia setacea Sw.

Epiphytic perennial with erect, rigid leaves, to 30cm long, and flowers in dense spikes with red, yellow-edged bracts, each bearing a tubular white flower.  [RHSD, Hortus].

Torenia asiatica L.

Frost tender, trailing annual with serrated, lance-shaped leaves, to 5cm, and stout, axillary racemes of tubular, dark purple-blue flowers, with violet lateral lobes, blotched with purple, in summer.  To 25cm.  [RHSD, Hortus].

Torenia asiatica L. var. concolor Lindl.

For details see Torenia asiatica L.  Similar to the type but more open and loosely spreading than the species, the flowers of a more uniform blue, without the deep purple blotches.  

Tradescantia crassula Link & Otto

Tender herbaceous succulent with branching, ascending stems, oblong leaves and many-flowered, usually terminal umbels of white flowers.  To 45cm.  [RHSD].

Tradescantia pendula (Schnizl.) D.R.Hunt

Frost tender trailing or creeping, node-rooting perennial with ovate, fleshy, bluish-green leaves, to 10cm long, with two longitudinal silvery stripes above, and rich purple beneath, and paired, terminal cymes of purple-blue flowers throughout the year.  [RHSE, Hortus].

Tradescantia spathacea Sw.

Frost tender, clump-forming perennial with rosettes of semi-erect, lance-shaped, fleshy, leaves, deep purple beneath, to 35cm long, and paired axillary cymes of white flowers, surrounded by long-lasting purple bracts, throughout the year.  To 30cm.  [RHSE, Hortus].

Tradescantia spathacea Sm. var. vittata

See also Tradescantia spathacea Sw.  Vittata has leaves with numerous longitudinal, pale yellow stripes above, deep purple beneath.  Curtis’s Botanical Magazine figures both the type [BM t.1192/1809] and the variety variegata, otherwise known as vittata, much more richly coloured. [BM t.5079/1858].

Tropaeolum azureum Miers

Half-hardy perennial climber with an ovoid tuber, 5-9 palmate leaves and short-spurred, sky-blue flowers with whitish cream or yellow centres in spring.  To 1m.  [RHSE]. 

Tropaeolum majus L.

Frost-tender annual scrambler or climber with rounded to kidney-shaped leaves and long-spurred, orange, red or yellow flowers from summer to autumn.  To 3m.  There are many garden cultivars and hybrids. The leaves, flowers and unripe seeds are all edible.  [RHSE, Hortus]. 

Tropaeolum peregrinum L.

Frost-tender, strong-growing, annual climber with 5-lobed leaves and hook-spurred, bright yellow flowers, resembling tiny birds wings, from summer to autumn.  To 4m.  [RHSE, Hortus]. 

Tweedia coerulea D.Don ex Sweet

Frost tender, erect, evergreen subshrub with twining, hairy stems, lance-shaped downy leaves, to 10cm long, and 3- or 4-flowered cymes of oblong-petalled, sky-blue flowers, to 2.5cm across, ageing to purple, in summer and autumn.  To 1m.  [RHSE, Hortus, Hilliers’].

Ursinia dentata (L.) Poir.

Frost hardy, shrubby perennial with pinnate leaves with one or two leaflets and flower stems to 20cm bearing daisy-like flowers, white or yellow above and purple and coppery beneath, in winter.  Flowers throughout the year.  To 60cm.  [RHSD, Rice].

Verbascum boerhavi L.

Half hardy biennial with elliptic basal leaves, to 30cm, and tall spikes of yellow flowers in summer.  [RHSD, Hortus].

Verbascum phoeniceum L.

Fully hardy, rosette-forming biennial with heavily veined, dark green basal leaves, to 15cm long, with slender racemes, to 30cm long, of saucer-shaped pink or violet-purple, sometimes white, flowers, to 3cm across, in spring and summer.  To 1.2m.  [RHSE, Hortus]. 

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