crevice alumroot

Heuchera micrantha

Member of alumroots (genus Heuchera)
alumroot tribe (tribe Heuchereae)
saxifrage family (family Saxifragaceae)
dicots (class Magnoliopsida)
white, other colors in flowering plants

---

• hypanthium + calyx 1.5–3 mm
• leaf blade 2–10 cm wide
• common

Compare to oneleaf foamflower (Tiarella trifoliata var. unifoliata), which has a single inflorescence axis with only short forking offshoots.

---

Chris’s observations: 18 (12 are research grade)

Locations:

• Sanborn CP: 5
• Castle Rock SP: 3
• Huckleberry Botanic RP: 2
• Mt. Madonna SP: 2
• Nisene Marks SP: 2
• Bear Creek Redwoods OSP
• Big Basin SP
• Garin RP
• Sam McDonald CP

Months:

• Jan.: 2
• Feb.: 1
• Mar.: 0
• Apr.: 1
• May: 3
• Jun.: 7
• Jul.: 2
• Aug.: 1
• Sep.: 1

For more details, use advanced search.

---

Taxon info: iNaturalist – Calflora – CalPhotos – Jepson eFlora – FNA

Bay Area species: iNaturalist – Calflora