Helianthemum propinquum E.P.Bicknell

  • Authority

    Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

  • Family

    Cistaceae

  • Scientific Name

    Helianthemum propinquum E.P.Bicknell

  • Description

    Species Description - Stems scattered on a creeping rhizome, 1–3 dm; lvs linear-spatulate to oblong-linear, attenuate at base, those of the main axis 1–3 cm; petaliferous fls in a terminal cymose cluster of 2–6, later often surpassed by the lateral branches; outer sep evidently shorter than the inner, the free tip of those of the cleistogamous fls reduced to a mere knob 0.2–0.5 mm; frs of open fls with 12–15 seeds; otherwise much as in n. 3. Dry, sandy soil; Mass. and se. N.H. to Md., and disjunct in the mts. of N.C. and Tenn. Blooming earlier than no. 3, and later than no. 1 [Helianthemum canadense (L.) Michx.].