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Genus Arthropodium Family Asparagaceae

Synonyms: Dichopogon APNI*

Description: Perennial herbs, roots with stalked or sessile tubers.

Leaves radical, linear, flat, often withering early; leaf fibres from previous seasons often present.

Inflorescence racemose or paniculate, scapose; flowers usually 1–9 per node, sometmes chocolate- or vanilla-scented, sometimes secund; pedicels erect, spreading to nodding, usually articulate close to flower. Tepals free, rotate to reflexed, not spirally twisted after flowering, pale blue, purple or white; outer tepals narrow, 3–5-veined; inner tepals elliptic to circular. Stamens 6; filaments glabrous or hirsute; anthers linear, longer than filaments, introrse to latrorse, dehiscing by longitudinal slits, sometimes with 2 or 4 densely hairy basal appendages. Ovules 1–6 per loculus; style simple.

Fruit a capsule, sometimes enclosed by perianth; seeds globose to angular, black.

Photo Greg Steenbeeke

Photo L. von Richter

Distribution and occurrence: World: 18 species, Australia, New Zealand & New Caledonia, Madagascar. Australia: 13 species (12 endemic), all states.

Arthropodium was formerly placed in the family Anthericaceae. The genus Dichopogon is now included in Arthropodium.

Text by J.G. Conran, S. McCune & D.W. Hardin. Updated by R.L.Barrett 10 Mar. 2021
Taxon concept:

 Key to the species 
1Anthers usually shorter than filaments; filaments hirsute or finely pubescent2
Anthers longer than filaments; filaments glabrous5
2Flowers 1 per nodeArthropodium minus
Flowers 2 or more per node
                       Back to 1
3Inner tepals fimbriateArthropodium sp. Snowy R. catchment (N.G.Walsh 6195)
Inner tepals not fimbriate
                       Back to 2
4Leaves usually glaucous; tepals white to pale blue or pink; anthers purple blackArthropodium milleflorum
Leaves not glaucous; tepals greenish pink; anthers white to pale green
                       Back to 3
Arthropodium sp. South-east Highlands (N.G.Walsh 811)
5Pedicels 1 per nodeArthropodium strictum
Pedicels 2–6 per node
                       Back to 1
6Flowers and fruit nodding; stamen appendages usually purpleArthropodium fimbriatum
Flowers and fruit erect; stamen appendages usually yellow
                       Back to 5
Arthropodium sp. Albury (A.D.J.Piesse 9)

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