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Description:
Plants 300–750 mm long. Stem flattened almost to apex, narrowly winged, several- to many branched (one order), but never dichotomously, bearing sessile and stalked flower clusters. Leaves narrowly sword-shaped to linear, leathery, sometimes weakly pleated, mostly 8–12 mm wide, ± 1/2 as long as stem. Flower clusters many, sessile and stalked, each 2–4-flowered; spathes and bracts lanceolate, mostly 5–8 mm long, green or brown in midline, transparent along margins and upper half, becoming torn. Flowers blue, outer tepals 10–11 × 6–7 mm, inner ± 9 × 4 mm. Filaments ± 4 mm long, anthers 1.7–2.0 mm long. Ovary on short pedicel ± 1 mm long; style ± 5 mm long, broadly 3-lobed, reaching mid-anther level. Capsules ovoid, ± 5 mm long, ± sessile. Seeds angular-prismatic, reticulate. Flowering time: August to January.
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