Tarenaya hassleriana |
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giant spider-flower, pink-queen, spider-flower, spiderplant |
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Habit | Plants (50–)100–200 cm. |
Stems | sparsely branched; glandular-pubescent. |
Leaves | stipular spines 1–3 mm; petiole 2.5–7.5 cm, glandular-pubescent, with scattered spines 1–3 mm; leaflets 5 or 7, blade elliptic to oblanceolate, 2–6(–12) × 1–3 cm, margins serrulate-denticulate, apex acute, surfaces glandular-pubescent abaxially, glandular adaxially. |
Racemes | 5–30 cm (10–80 cm in fruit); bracts unifoliate, ovate, 10–25 mm. |
Pedicels | 20–45 mm, glandular-pubescent. |
Flowers | sepals (reflexed after anthesis), green, linear-lanceolate, 5–7 × 0.8–1.3 mm, glabrous; petals usually pink or purple, sometimes white (or fading to white by second day), oblong to ovate, 20–30(–45) × 8–12 mm; stamens purple, 30–50 mm; anthers 9–10 mm; gynophore 45–80 mm in fruit; ovary 6–10 mm, glabrous; style 0.1 mm. |
Capsules | (25–)40–80 × 2.5–4 mm, glabrous (in straight alignment with gynophore and pedicel). |
Seeds | 10–20, 1.9–2.1 × 1.9–2.1 mm, tuberculate. |
2n | = 20. |
Tarenaya hassleriana |
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Phenology | Flowering late spring–late summer. |
Habitat | Disturbed roadsides, vacant lots, waste areas, gravel pits, lakeshores, streambeds |
Elevation | 0-200(-800) m (0-700(-2600) ft) |
Distribution |
AL; AR; CT; DC; FL; GA; IA; IL; IN; KY; LA; MA; MD; MI; MO; MS; NC; NE; NJ; NY; OH; OK; PA; RI; SC; TN; TX; VA; WI; WV; QC; South America [Introduced in North America; introduced also in Mexico, West Indies, Central America]
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Discussion | Tarenaya hassleriana is native to Argentina, Brazil, and Paraguay. It is often cultivated and has sometimes escaped and naturalized. In cultivation and various floras, it has long been treated under the name Cleome spinosa; that name properly applies to the next species. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 7, p. 219. |
Parent taxa | Cleomaceae > Tarenaya |
Sibling taxa | |
Synonyms | Cleome hassleriana |
Name authority | (Chodat) H. H. Iltis: Novon 17: 450. (2007) |
Web links |