Texas Wildbuds

Myosotis macrosperma

(Large-seed Forget-me-not)

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Myosotis macrospermum, Caddo Lake State Park, Harrison Co. 0357

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Myosotis macrospermum, Caddo Lake State Park, Harrison Co. 0347

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Myosotis macrospermum, Caddo Lake State Park, Harrison Co. 0353

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Myosotis macrospermum, Caddo Lake State Park, Harrison Co. 0357

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Myosotis macrospermum, Caddo Lake State Park, Harrison Co. 0352

Scientific Name Myosotis macrospermum USDA PLANTS Symbol MYMA
Common Name Large-seed Forget-me-not ITIS Taxonomic Serial No. 31695
Family Boraginaceae (Forget-me-not) SEINet
Reference		 Click Here
Description Habitat: Moist, rich soils in woodlands or bottomlands.
Plant: Erect annual with one (or two) stems 8 to 20 inches tall, upper portion branched; stems have two longitudinal ridges and short stiff hairs (hispid).
Leaves: Alternate stem leaves, narrowly obovate to narrowly elliptic-oblong, 1/2 to 2-1/2 inches long and 1/4 to 1/2-inch wide; sessile, entire margins, and with an obtuse tip; moderately covered with short, appressed hairs (strigose).
Inflorescence: Cymes on tips of main and lateral branches with 10 or more buds and flowers; small white flowers with 5-lobed funnel-shaped corollas less than 1/8-inch long, 5 stamens and two-lobed stigma. Calyxes have 5 lobes fused in the lower portion, less than 1/10-inch long in flower elongating to 1/4 to 1/3-inch in fruit; densely covered with stiff hairs that are hooked at tips; green, turning brown in fruit.
Bloom Period: March to May.
Fruit: Shiny, brown, seed-like, flat nutlets contained within the calyx lobes, each about 2 mm across.
References: "Manual of the Vascular Plants of Texas" by Correll and Johnston, Vascular Plants of Williamson County by A.C. Gibson, Missouri Plants and Backyard Nature. 		BONAP Distribution Map

Map Color Key		 Texas Status:
Native
Back to White/Green Flowers

Banner photo of Castilleja indivisa and Lupinus ssp. taken along FM 1323 north of Johnson City, Blanco County

© Tom Lebsack 2025

Every attempt is made to provide accurate, up-to-date, and relevant information, but the completeness or accuracy of any information presented on this website cannot be guaranteed. I use authoritative references to insure high standards of accuracy and review and update the information frequently.