Ptilotus tetrandrus
species of plant
Ptilotus tetrandrus is a species of flowering plant of the family Amaranthaceae and is endemic to inland regions of Western Australia. It is an annual herb with several more or less erect, glabrous stems, stem leaves arranged alternately, and cylindrical spikes of green or brown flowers.
Description
Ptilotus tetrandrus is an annual herb that typically grows to a height of 15–30 cm (5.9–11.8 in) with stems that become glabrous with age. There are no leaves at the base of the plant. The stem leaves are arranged alternately, 8–45 mm (0.31–1.77 in) long and 1.5–5 mm (0.059–0.197 in) wide. The flowers are borne in a green or brown cylindrical spike, the bracts glabrous, 3.5–4.0 mm (0.14–0.16 in) long and the bracteoles 2.0–2.5 mm (0.079–0.098 in) long, both with an obscure midrib. The outer tepals are mostly 5.2–5.5 mm (0.20–0.22 in) long, and the inner tepals 4.2–4.5 mm (0.17–0.18 in) long. The style is 4.0–4.5 mm (0.16–0.18 in) long and fixed to the side of the ovary.
Taxonomy
Ptilotus tetrandrus was first formally described in 1978 by Gerhard Benl in the journal Nuytsia from specimens collected near Carslakes Well on Glenorn Station in 1974. The specific epithet (tetrandrus) means 'four stamens'.
“Ptilotus tetrandrus” enters the record as species of plant. Crown Archives preserves that source wording while asking what Ptilotus, tetrandrus and species can confirm, complicate or overturn.
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“Ptilotus tetrandrus” is worth following because a concise public description often conceals a longer documentary argument. Here, Ptilotus, tetrandrus and species provides the most credible route into that argument.
The date and method of observation matter as much as the stated conclusion, especially where classification or consensus has changed. The source revision retrieved here is dated Jul 26, 2026. The linked authority identifier is Q28914025. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1978 and 1974.
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This entry incorporates text from “Ptilotus tetrandrus” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.