Plants › caltrops
Texas lignum-vitae
Guaiacum angustifolium
25 photos
Study shows up to four per card, from different observers, so you learn the species rather than one picture. Heart the good ones and swap any you do not like.
Photos you add are credited to you, and you keep the copyright.
Easily confused with
guayacanGuaiacum coulteri
little buckthornCondalia ericoides
Blackbrush AcaciaVachellia rigidula
Chilean Lignum-VitaePorlieria chilensis
Sweet acaciaVachellia farnesiana
AmargosaCastela erecta
Warnock CondaliaCondalia warnockii
Schaffner's acaciaVachellia schaffneri
Study checks a spoken answer against these, and tells you which one you named.
Where it is recorded
| Texas | 4,400 |
|---|---|
| United States | 2,970 |
| Mexico | 387 |
| Nuevo Leon | 198 |
| Coahuila de Zaragoza | 112 |
| Tamaulipas | 48 |
| Chihuahua | 28 |
| Sonora | 1 |
Counts show where people looked, not only where it lives.
Traits
Group and habits
- Tree growth formListed by a harvested source as having a tree growth form.USDA PLANTS Characteristics
- Shrub growth formListed by a harvested source as having a shrub or bush growth form.USDA PLANTS Characteristics
- Perennial plantListed by a harvested source as having a perennial life duration.USDA PLANTS Characteristics
Classification
| Kingdom | Plants · Plantae |
|---|---|
| Phylum | Vascular Plants · Tracheophyta |
| Class | Dicots · Magnoliopsida |
| Order | Caltrops and Ratanies · Zygophyllales |
| Family | caltrops · Zygophyllaceae |
| Genus | Guaiacum |
Sources
- Names, taxonomy and observation counts: www.inaturalist.org
- Photos and recordings: the creator and source are on each one.
- Traits: USDA PLANTS Characteristics (U.S. Government work / public domain)
- How much to rely on each source
Remember the name next time.
Practise Texas lignum-vitae with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.