WILDFLOWERS OF NEW MEXICO

 
 

Leafy, hairy stems 4–12 inches tall have small, rose-pink to lavender, tubular flowers which spread open with two lips, each with tiny lobes. Note the narrow, hairy leaves have a minty aroma (not camphor or lemon scented), and the stem is square in cross section.


FLOWER: April–September. Flowers bloom from leaf axils. The hairy calyx that holds the petals has a swollen base and is tipped with 5 tapering teeth that converge and nearly close the opening when in fruit. Flowers tubular, narrow (not swollen), 1/4–1/2 inch long (5–12 mm); lower lip with 3 tiny lobes, upper lip entire or 2-lobed and flat to hood-like; 2 stamens underneath upper lip.


LEAVES: Opposite, stemless. Blades linear to elliptic, 3/8–3/4 inch  long (1–2 cm); margins entire, surfaces hairy with pitted glands (use lens).


HABITAT: Dry sandy, gravelly soils; desert grasslands and scrub, pinyon-juniper woodlands.


ELEVATION: 3,700–7,550 feet.


RANGE: AZ, CO, KS, MT, NE, ND, NM, NV, SD, TX, UT WY.


SIMILAR SPECIES: The minty scent (not camphor or lemon) and converging calyx teeth distinguish this species from other Hedeoma.


NM COUNTIES: Nearly statewide in low- to mid-elevation, dry habitats: Bernalillo, Catron, Chaves, Cibola, Curry, Dona Ana, Eddy, Grant, Harding, Lincoln, Los Alamos, Luna, McKinley, Mora, Otero, Rio Arriba, Roosevelt, San Juan, San Miguel, Sandoval, Santa Fe, Sierra, Socorro, Taos, Torrance, Union.

DRUMMOND’S  PENNYROYAL

HEDEOMA  DRUMMONDII

Mint Family, Lamiaceae

Perennial herb

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The calyx has a swollen base (lower arrow) and tapering teeth (upper arrow).

Tubular flowers grow from the axils of the narrow, opposite leaves.