Nyctaginaceae
Hairy four o'clock
Mirabilis hirsuta
- Family
- Nyctaginaceae
- Genus
- Mirabilis
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Common names
By language (1)
- English
- Hairy four o'clock, Hairy four o clock, Hairy four-o'clock
Synonyms
- Allionia hirsuta subsp. coloradoensis Standl.
- Allionia hirsuta var. rotundifolia Lunell
- Calymenia hirsuta (Pursh) Nutt.
- Mirabilis hirsuta var. hirsuta
- Oxybaphus hirsutus (Nutt.) Sweet ex Hook.
Flowers
- In flower
- May to October (from 161 flowering iNaturalist observations worldwide)
Characteristics
- Growth habit
- Forb/herb
- Lifespan
- Perennial
- In the US and Canada
- Lower 48 states: native
Photos
Photo: Stan Shebs, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Stan Shebs, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Stan Shebs, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Stan Shebs, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Stan Shebs, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Patrick Alexander from Las Cruces, NM, CC0, from Wikimedia Commons 
Photo: DouglasGoldman, CC BY-SA 4.0, from Wikimedia Commons 
Photo: DouglasGoldman, CC BY-SA 4.0, from Wikimedia Commons 
Photo: DouglasGoldman, CC BY-SA 4.0, from Wikimedia Commons
More in Mirabilis
- Marvel of PeruMirabilis jalapaNyctaginaceae
- Sweet four o'clockMirabilis longifloraNyctaginaceae
- Colorado four o'clockMirabilis multifloraNyctaginaceae
- Winged four o'clockMirabilis alipesNyctaginaceae
- MaukaMirabilis expansaNyctaginaceae
- Scarlet four o'clockMirabilis coccineaNyctaginaceae
- Desert wishbone-bushMirabilis laevisNyctaginaceae
- Narrowleaf four o'clockMirabilis linearisNyctaginaceae
- Smooth spreading four o'clockMirabilis oxybaphoidesNyctaginaceae
- White four o'clockMirabilis albidaNyctaginaceae
- Mirabilis elegansNyctaginaceae
- MacFarlane's four o'clockMirabilis macfarlaneiNyctaginaceae
Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.