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.

Abelmoschus moschatus Medik.

An erect or trailing herb or sub-shrub, depending on the variety, with variable but usually lobed leaves.  The subspecies moschatus has single yellow flowers with a dark purple basal spot.  Subspecies tuberosus is a trailing plant with red flowers and an underground tuber.  The plant dies back to this tuber in the dry season, emerging again with the wet season.  [FNSW, internet sources].  Widely cultivated in tropical regions.

Abelmoschus moschatus Medik. var. florepleno

For information on the species see Abelmoschus moschatus Medik.  A number of colour forms have been recorded in the several subspecies, from near white through yellow to deep red, but I have found no reference to a form with double flowers.  

Abrus precatorius L.

Frost tender deciduous climber, the leaves consisting of numerous pairs of oblong leaflets, and red to pale purple, rarely white, flowers in spring, followed by oblong pods, to 6cm long.  To 3.5m.  [RHSD, Hortus].

Acantholimon venustum Boiss.

Fully hardy, slow-growing perennial with rosettes of lance-shaped, silver-margined, blue-grey leaves and spikes of pink flowers in midsummer.  To 8cm.  [RHSE, Hortus].

Acanthus mollis L.

Fully hardy, clump-forming perennial with obovate, deeply-lobed, dark green leaves, and 1m long racemes of white flowers with purple-shaded bracts in summer.  To 1.5m.  [RHSE, Hortus].

Achillea millefolium L.

Fully hardy herbaceous plant with small white flowers in dense, flat corymbs.  There are many garden cultivars with rose, red or yellow flowers.  To 90cm.  Tendency to be invasive but easily controlled.  [RHSE,  Hortus].

Achillea sibirica Ledeb. subsp. mongolica (Fisch. ex Spreng.) Heimerl

Fully hardy herbaceous plant with pinnatifid leaves and large flower heads bearing corymbs of white flowers on long, sometimes branching stems.  To 90cm.  [RHSD, Hortus].

Achillea species unidentified

Unidentified species, but perhaps Achillea sibirica Ledeb. subsp. mongolica (Fisch. ex Spreng.) Heimerl, which see.  This first appeared in the 1850 cataologue.

Adenosma grandiflorum Benth. ex Hance

Frost tender herbaceous perennial with opposite, wrinkled ovate leaves, to 5cm or more long, and single, axillary fox-glove-like violet flowers.  To 90cm.  [RHSD].

Aechmea fulgens Brongn.

Frost tender epiphytic perennial with funnel-shaped rosettes of broadly strap-shaped, bright green leaves and red stems bearing branched inflorescences of 2-5 red and violet flowers in summer.  To 50cm.  [RHSE].

Aeschynanthus lamponga Miq.

Frost-tender, trailing evergreen perennial with ovate leaves and axillary clusters of tubular orange-red to scarlet flowers, to 5cm long, in summer.  To 30cm.  [RHSD, Hortus].

Aeschynanthus longicaulis Wall. ex R.Br.

Frost-tender. Semi-trailing perennial with oval, light green leaves, with dark marbling above and red beneath, and solitary, axillary, greenish-yellow flowers, with maroon-or brown-tinged throats, from summer to winter.  To 60cm by 90cm.  [RHSD, Hortus].

Aeschynanthus longiflorus (Blume) DC.

Frost-tender, robust, trailing, evergreen, epiphytic perennial with ovate leaves, to 16cm, and terminal clusters of dark red flowers, with orange-red lobes and a distinctive black-margined blotch, in summer.  To 80cm.  [RHSD, Don].

Aeschynanthus parasiticus (Roxb.) Wallich.

A frost-tender, trailing evergreen perennial shrub with lance-shaped leaves, to 10cm, and usually terminal clusters of large, drooping, crimson-scarlet and orange flowers in summer.  To 25cm spreading.  [RHSD, Don].

Aeschynanthus pulchra G.Don

Frost-tender, epiphytic climber with thin, rooting branches, oval, toothed, dark green leaves and terminal corymbs of 6-8, hooded, bright red flowers with a yellow throat from summer to winter.  [RHSE, Hortus].

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